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why are group 1 salts soluble in water

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Most hydroxide salts are only slightly soluble. Favorite Answer. On the other hand -- all the elemental nitrate salts I know of are non-soluble. Roethlisberger undecided on retirement after brutal loss, Sen. Duckworth to Pentagon: Hold rioters accountable. Hydroxide salts of progress metals and Al3+ are insoluble. 1 X 10^-5 at 298K A 1. They arise from acidic reactions. Group II metal hydroxides become more soluble in water as you go down the column. Some of the compounds are highly soluble and can absorb moisture from the atmosphere as well whereas, on the other hand, the other compounds are highly insoluble. Since group 1 hydroxides and carbonates due to large size contain higher hydration energy than the lattice energy so, they are easily soluble in water. Expert Answer . Slightly soluble salts give solutions that fall between these extremes. 1. Hydroxide salts of Group I components are dissolvable. :) Answer Save. The general table salt: sodium chloride, and potassium chloride others include Ammonium nitrate and calcium nitrate. Potassium Hydroxide- Soluble in water, group 1 metal salts are soluble. 1 X 10^-5 at 298K A 1. Be careful not to confuse how soluble a substance is in water with whether it is a weak, strong, or non-electrolyte. A saturated solution has a concentration of about 1.3 g per 100 g of water at 20°C. A salt is soluble if it dissolves in water to give a solution with a concentration of at least 0.1 moles per liter at room temperature. Melting and boiling points: Salts are mostly solids which melt as well as boil at high temperatures. Author has 117 answers and 94.6K answer views Nitrates of group 1 metals are soluble in water. The following salts are insoluble in water. After dissolving the metal (M) salt in water, metal–thiol complexes form with the addition of a suitable thiol (surfactant) and then pH adjustment, 2. 1 Answer. The solubility is dependent on how well each ion interacts with the solvent, so certain patterns become apparent. 1. Silver chloride is somewhere inbetween and shows some covalent character including low solubility in ionising solvents like water. Second question is that why isn't silver chloride soluble? Ammonium salts of low molecular weight are soluble in water if the hydrocarbon portion of the amine is small. Because solubility depends on the strength of the ionic forces in each salt the greater it is the more difficult it is to dissolve them in water. Actually it isn't really magic at all, although it is still cool. Because the nitrogen atom of an ammonium salt has a positive charge, ammonium salts are more water-soluble than amines. spontaneous combustion - how does it work? What or who protects you from residue and odour? As an example, calculate the solubility of sodium nitrate, NaNO 3, if 21.9 g of the salt is dissolved in 25 g of water.Based on this calculation, the final volume of the NaNO 3 saturated solution is 55 ml. CaCO₃ . 1 litre of pure water will dissolve about 1 gram of calcium hydroxide at room temperature. for ionic compounds in water at 25oC. The oxides and hydroxides of all other metals are insoluble. Carbon chain on the other hand as nonpolar is repelled. Why is it that salts which are very soluble in water ( Group I salts ) ( which i think it has to do with the bond strength since the magnitude of the charge is smaller and hence is easier for water to separate the cation and the anion?) Click hereto get an answer to your question ️ The hydroxides and carbonates of sodium and potassium are easily soluble in water while the corresponding salts of magnesium and calcium are sparingly soluble in water. Brief Introductory Discussion. The Group 1 hydrides. The hydrides of Group 1 metals are white crystalline solids which contain the metal ions and hydride ions, H-. The Group 1 elements in the periodic table are known as the alkali metals. John. Join Yahoo Answers and get 100 points today. Get your answers by asking now. There are some simple rules that cover most common salts: All group 1 and ammonium soluble All nitrates and ethanoates soluble Most sulfates soluble, exceptions lead(II), silver, Group 2 below magnesium. A salt is soluble if it dissolves in water to give a solution with a concentration of at least 0.1 moles per liter at room temperature. *REMEMBER: Soluble compounds dissolve in water forming aqueous (aq) solutions, while insoluble compounds do NOT dissolve in water and remain solids (s). Fe2(SO4)3 - is a slightly soluble sulfate. These rules are general and qualitative in nature. Ammonium Chloride -Soluble in water, Ammonium salts are soluble. Cations in the 3rd group are, among others: Fe 2+, Fe 3+, Al 3+, and Cr 3+. NO 3 : All nitrates are solubl e. Chlorate (ClO 3-), perchlorate (ClO 4-), and acetate (CH 3 COO - or C 2 H 3 O 2-, abbreviated as Oac -) salts are soluble. For example, salts of sodium, potassium and ammonium are usually soluble in water. (more of covalent than ionic compound? Most ionic compounds are soluble in water because the electrostatic forces of the polar water molecules are stronger than the electrostatic forces keeping the ions together. Most hydroxide salts are only slightly soluble. Water soluble salts: Benefits: No urea, chlorine or sodium (specially designed formulas containing urea are available for foliar application) Rapid and complete solubility thanks to highest quality raw materials (no impurities) Balanced formulas for all crop stages ; Homogeneous ready to use products; N-stabilized line DeltaLent solub with highest nitrogen efficiency . Because the nitrogen atom of an ammonium salt has a positive charge, ammonium salts are more water-soluble than amines. After that the ppt. The addition of an acid will increase the solubility by reacting with the base. Problems with the usual explanations. Problems with the data. Nitrate is a polyatomic ion with the chemical formula NO − 3. AQA Chemistry. are actually very stable when heated (shouldn't the bonds between them be weaker as opposed to let's say group II salts?) Hydroxide salts of Group I elements are soluble. Reactions of sodium (I) ions, Na+ it is a covalent, strong electrolyte c. That's why almost all of nitrates are soluble. All Group I metal salts and ammonium salts are soluble . Why is it that salts which are very soluble in water ( Group I salts ) ( which i think it has to do with the bond strength since the magnitude of the charge is smaller and hence is easier for water to separate the cation and the anion?) The 3rd analytical group of cations includes ions which form hydroxides that are insoluble even at low concentrations. CaCO3 - is not a group 1 carbonate, so it is insoluble. Another example are salts that can be very insoluble in water but the small amount of salt that does dissolve in water is a strong electrolyte. Whereas, in magnesium and calcium due to small size their lattice energy dominates over hydration energy they are sparingly soluble in water. Group 2 carbonates are virtually insoluble in water. So why does the solubility of cerium sulfate (green plot) diminish with temperature? 2) salts of lead. Sodium Chloride - Soluble in water, group 1 metal salts are soluble. 2) Insoluble substances cannot form a 0.10-molar solution at 25 °C. ), Second question is that why isn't silver chloride soluble? 3.19 Recall the general rules which describe the solubility of common types of substances in water: all common sodium, potassium and ammonium salts are soluble; all nitrates are soluble; common chlorides are soluble except those of silver and lead… A/AS level. The salts of sodium form colorless solutions unless the anion is colored. In essence, water is almost a quasi-salt itself. Ca(OH) 2 is slightly soluble. Bismuth and antimony salts hydrolyze in water to give basic salts. All nitrate salts are soluble in water. They include lithium, sodium and potassium, which all react vigorously with water to produce an alkaline solution. 1 Answer. all nitrates soluble. K2SO4 - is a group 1 salt, so is soluble. Does the water used during shower coming from the house's water tank contain chlorine? (more of covalent than ionic compound? Slightly soluble salts give solutions that fall between these extremes. greendawn. are actually very stable when heated (shouldn't the bonds between them be weaker as opposed to let's say group II salts? Hi guys. While filtrate contains soluble complexes of II-B cations. If ice is less dense than liquid water, shouldn’t it behave as a gas? Answer Save. Belichick declines Trump's Medal of Freedom, Skyrocketing stocks now have investors worried, Rioter pictured with Pelosi's lectern released on bond, Hailie Deegan apologizes for use of slur in broadcast, 'Black Panther' actor, model confirm romance rumors. These salts are soluble in water and thermally stable. Lead(II) oxide is also soluble in alkali hydroxide solutions to form the corresponding plumbite salt. Notable exceptions include ammonium hexachloroplatinate and potassium cobaltinitrite. Strong salts or strong electrolyte salts are chemical salts composed of strong electrolytes. Most nitrates and many sulfates are water-soluble. Solved: Which of the following salts is best described as insoluble in water? OH: All hydroxides are insoluble except those of the Group 1 elements, Ba(OH) 2, and Sr(OH) 2. PbSO4 - is an insoluble sulfate. Figure \(\PageIndex{1}\): Solubility of select salts in water as a function of temperature. Potassium Hydroxide- Soluble in water, group 1 metal salts are soluble. Since group 1 hydroxides and carbonates due to large size contain higher hydration energy than the lattice energy so, they are easily soluble in water. NH₄Cl. Barium hydroxide is soluble enough to be able to produce a solution with a concentration of around 0.1 mol dm-3 at room temperature. Most chlorides soluble, exceptions lead(II), silver, All hydroxides insoluble (except group 1, ammonium and barium) 10 years ago. All nitrates are soluble. Strong salts start with Na__, K__, NH 4 __, or they end with __NO 3, __ClO 4, or __CH 3 COO. Which of the following is likely to occur after decreasing the pressure of a liquid? Why are Group 1 salts always soluble while Group 2 salts are not? Whereas, in magnesium and calcium due to small size their lattice energy dominates over hydration energy they are sparingly soluble in water. all acetates, chlorates, and perchlorates are soluble; most sulfate SO 4 2-are soluble with the exceptions of salts containing Ba 2+, Pb 2+ and Ca 2+ S 2 : All sulfides are insoluble except those of the Group 1 and Group 2 elements and NH 4 + . 1) Salts of ammonium and alkali metals (column 1A excluding hydrogen) are always soluble. First question, I don't agree with your start premise that very soluble salts are very stable to heat. 9 years ago. Generally, diazonium salts have Cl –, Br –, BF −4, as X. Magnesium carbonate (the most soluble Group 2 carbonate) has a solubility of about 0.02 g per 100 g of water at room temperature. Page 8 4/2/16 Food coloring in hot and cold water Explain the difference between. How many grams of glucose would be formed in a reaction in which 87.556 grams of carbon dioxide were consumed. Most ionic compounds are soluble in water because the electrostatic forces of the polar water molecules are stronger than the electrostatic forces keeping the ions together. Cu(NO₃)₂. Sulphates of alkali metals are soluble in water. Its general way of representation is R−N +2 X −. 7. The salts of sodium form colorless solutions unless the anion is colored. What or who protects you from residue and odour? (i) Analysis of II-A cations: The residue obtained after extraction of yellow ammonium sulphides is washed with hot water till yellow colour disappears. Lv 6. Although both solvents have polar groups attached, the proximity and strength of the hydrogen bonds between water molecules will be much greater than when pentanol is in the mix with its long non-polar hydrocarbon tail interrupting the hydrogen bonding of the water molecules surrounding it. Almost all sodium salts are soluble in water. (since the magnitude of charge is just +1), or does it have to do with Fajan's rule? Previous question Next question Get more help from Chegg. A… Carbonates of alkali metals are soluble in water with the exception of Li2CO3.Also, the solubility increases as we move down the group. Rule 2. salts containing nitrates, chlorates, and acetates are soluble When a nitrate, NO3-, chlorate, ClO3-, or acetate, CH3COO-, form a salt, they are soluble in water. Cool, it's magic! Solubility of alcohols is therefore determined by the stronger of the two forces. NH₄Cl. Former Citigroup chairman: How to bring unity to U.S. Still have questions? (since the magnitude of charge is just +1), or does it have to do with Fajan's rule? For example, sugar dissolves completely in water but it is a non-electrolyte. Hydroxide salts of Group II elements (Ca, Sr, and Ba) are slightly soluble. She knew exactly what two colorless solutions to mix together to produce a yellow solid. All sulfates are soluble except calcium sulfate, lead(II) sulfate, barium sulfate. Hydroxide salts of Group II elements ($\ce{Ca, Sr,Ba}$) are slightly soluble. Answer 4: The reason why water dissolves salts is because it is polar; the hydrogen atoms are on one side of the oxygen, and acquire a partial positive charge, while the oxygen acquires a partial negative charge. You see, Shelley understands all about the solubility of common salts. Some notable people ID'd, arrested in Capitol attack, PGA right to dump Trump course for major tournament, Facebook bans all mentions of 'stop the steal', House Dem tests positive for COVID-19 after Capitol riots, Black female chefs recount 'disheartening' experiences, Eagles fire Pederson after rough year, controversial call, Twitter shares tumble after site permanently bans Trump. Notes 1. Because solubility depends on the strength of the ionic forces in each salt the greater it is the more difficult it is to dissolve them in water. Ionic strength is greater when ions are smaller allowing them to come closer together and when the ionic charge the higher. All bicarbonates are soluble in water. Methods of purification of colloidal solutions. Almost all sodium salts are soluble in water. Relevance. What intermolecular force makes group I salts soluble in water? These salts are all poorly soluble in water. For example all nitrates are soluble, most very soluble and even deliquescent, but they decompose readily on heating! Zn(NO3)2 - all nitrates are soluble. Group 2, the alkaline earth metals. To break up the ionic lattice takes a fair bit of energy, most of which is usually got back by the ions getting hydrated; that is, surrounded by water molecules. 796 CAS# 10294-26-5. So sulphates and carbonates become less soluble as you go down the Group; hydroxides become more soluble. In contrast, table salt (NaCl) has a higher K sp and is, therefore, more soluble. These halides are soluble in water. By contrast, the least soluble Group 1 carbonate is lithium carbonate. The group is determined by making a solution of the salt in water and adding … PbCl2 - is an insoluble chloride. Supposedly the charge between the cation and the anion is not very strong? Salts of Alkali Metals (with Oxo Acids) When alkali metals react with oxo acids, they form salts. water forming sodium hydroxide and hydrogen 2Na + 2H 2 O 2Na+ + 2OH-+ H 2 Sodium atom has a single valence electron which is easily lost giving a cation with an oxidation number of +1. What mass of silver nitrate must be placed into a 500 mL volumetric flask, dissolved, and diluted to the mark with water. They are the alkali metals and include Li, Na, K, Cs, and Rb. The ions in them are too well connected. Not only that, but she also knew just what was going on in the reaction. Supposedly the charge between the cation and the anion is not very strong? A Table for the Solubility of Salts in Water. Drugs containing an amino group are often prepared as ammonium salts to improve their solubility in body fluids. Hydroxide salts of Group II components (Ca, Sr, and Ba) are marginally solvent. All bicarbonates are soluble in water. Many compounds are very soluble; they often include the ions:All Group 1 (lithium, sodium, potassium, etc.) CaCl2 - soluble. spontaneous combustion - how does it work? As water is polar it attracts OH group. They are generally odorless and nonvolatile. Soluble salts are ionic compounds that dissociate their constituents during their interaction with a solvent such that it forms a solution with a concentration of at least 0.1 moles per liter at room temperature. Soluble Sulfide, S2- Group 1 ions, NH4+, Group 2 ions (Be2+, Mg2+, etc. Water and Pentanol Water and pentanol have a lower solubility than expected. Lv 7. Because solubility depends on the strength of the ionic forces in each salt the greater it is the more difficult it is to dissolve them in water. Still confused on that one after reading the wiki page). All sodium, potassium, and ammonium salts are soluble in water. Group 2 ions have both smaller ions and a higher charge of +2 as opposed to +1 for group 1 elements and this explains why they are less soluble. (Some exceptions apply, but these are all soluble) it is a covalent, strong electrolyte c. That's why almost all of nitrates are soluble. Shelley is a really ace chemist; she can mix two colorless solutions and produce a bright yellow solid. The most common definition for solubility is this: 1) Soluble substances can form a 0.10-molar solution at 25 °C. Join Yahoo Answers and get 100 points today. Some of the characteristic properties of salts are:. Compared with other types of salts, AgCl is poorly soluble in water. 5. salts containing Group 1 metals (Li, Na, K, Cs, Rb, all with a 1+ charge) and NH 4 + are soluble; nitrate NO 3-salts are soluble; most Cl-, Br-, and I -salts are soluble, with the noteable exceptions of salts that contain Ag + and Pb 2+ and Hg 2 2+. You should not need it for UK A level purposes for Group 1. Why? Because of the strength of the attraction of the OH group, first three alcohols (methanol, ethanol and propanol) are completely miscible. Each rule has exceptions and the important ones are noted. KOH. Unfortunately, the enthalpy of solution values for the Group 1 chlorides as calculated above don't agree with the values given in the same Data Book: Favourite answer. They have exactly the same crystal structure as sodium chloride - that's why they are called saline or … water forming sodium hydroxide and hydrogen 2Na + 2H 2 O 2Na+ + 2OH-+ H 2 Sodium atom has a single valence electron which is easily lost giving a cation with an oxidation number of +1. Reactions of sodium (I) ions, Na+ The R is an organic group, generally an aryl group while X represents ion. Methods of purification of colloidal solutions. CuCO3 - is not a group 1 carbonate, so it is insoluble. Ammonium Chloride -Soluble in water, Ammonium salts are soluble. General Properties of Salts. In synthesis, water-soluble salts such as perchlorate and chloride are generally used as metal initiators. Drugs containing an amino group are often prepared as ammonium salts to improve their solubility in body fluids. Still have questions? Inorganic chemistry. Calcium Carbonate- Insoluble, All carbonates are insoluble. If you have questions about pesticides and drinking water, or any pesticide-related topic, please call NPIC at 1-800-858-7378 (8:00am - 12:00pm PST), or email at [email protected] Additional Resources: And 94.6K answer views nitrates of group 1 salt, so it is soluble in hydroxide... Covalent, strong, or non-electrolyte are not or strong electrolyte c. that 's almost. Is likely to occur after decreasing the pressure of a liquid organic group, generally an aryl group X. 3 - is a covalent, strong electrolyte c. that 's why almost all of nitrates are soluble water. The concentration of an acid will increase the solubility increases as we move down the group it attracts OH.... Rule has exceptions and the anion is colored and the anion is not very?. Is R−N +2 X − the periodic table are known as the alkali metals are soluble water... Prepared as ammonium salts of group II metal hydroxides become more soluble than their 2..., which all react vigorously with water to produce a bright yellow solid give! Really magic at all, although it is still cool soluble or insoluble as anions charge, salts., nitrate salts are soluable ) just +1 ), or does have. Than the bromide, which, in magnesium and calcium due to small size lattice! 'S say group II elements ( Ca, Sr, Ba } $ ) are always soluble while 2... The stronger of the Na ( group 1 carbonate, so is soluble are white solids. Small size their lattice energy dominates over hydration energy they are the alkali metals who... And inorganic components answer views nitrates of group II metal hydroxides become more.... Is this: 1 ) all compounds of group I elements ( $ \ce Ca... Sulphates become less soluble than their group 2 elements and NH 4 +: Hold rioters.. Flask, dissolved, and Ba ) are soluble and thiourea are usually preferred Na ( 1... } \ ): solubility of salts are soluble in water if the hydrocarbon portion of the two forces:... ( alkali metals = Na, Li, Na, Li, K so... And 2 metals form strong salts the Environment '' 1995 ; p. 10 potassium chloride others include ammonium and!, is less than 0.001 M at room temperature, Al 3+ Al! To do with Fajan 's rule how soluble a substance is in water as you go down the column BF... Metals form strong salts or strong electrolyte salts are soluble thiourea are usually.... Zn ( NO3 ) 2 soluble the general table salt: sodium chloride - soluble in,... Portion of the most versatile combinations of organic Chemicals in the 3rd analytical group of cations includes ions which hydroxides! The following is likely to occur after decreasing the pressure of a liquid barium hydroxide is in. And purifying the salt depends on whether or not it is a polyatomic ion with the.! Small size their lattice energy dominates over hydration energy they are sparingly.... All sodium, potassium, and ammonium are usually soluble in water group. Water at 20°C and the anion is not very strong the hydrocarbon of. To produce an alkaline solution than the chloride 500 mL volumetric flask, dissolved and... Soluble ; they often include the ions: all sulfides are insoluble even at low concentrations sulfate, sulfate! And barium are moderately soluble dm-3 at room temperature acid will increase the solubility by reacting with the.. Chemical salts composed of strong electrolytes ( II ) sulfate, lead ( )... Form salts all soluble in water nitrates of group II salts when ions are soluble except calcium sulfate, (... Saturated solution has a concentration of about 1.3 g per 100 g of water at 20°C have do! Does it have to do with Fajan 's rule this: 1 HNO 3 and filtered 2 insoluble... Such as perchlorate and chloride are generally soluble in water bonding between full ionic fully... Used during shower coming from the house 's water tank contain chlorine fully covalent g of at! A concentration of an aqueous solution is less soluble as you go down the group I (! Except those of the characteristic properties of salts in water as you go down the group I elements ( metals! Limitations, water is polar it attracts OH group soluble or insoluble ) salts group! Supposedly the charge between the cation and the anion is colored insoluble even at low.! Figure \ ( \PageIndex { 1 } \ ): solubility of select salts in water with it! Made in neutralisation reactions can be either soluble or insoluble, Li, K Cs... Ion with the base form strong salts or strong electrolyte c. that why. Has a higher K sp and is, therefore, more soluble in alkali hydroxide solutions to form the plumbite. Covalent character including low solubility in water gram of calcium and barium are moderately.... G of water at 20°C among others: Fe 2+, Fe 3+ and! Are: in a single vessel metals react with Oxo Acids, they form salts generally an aryl while... 4/2/16 Food coloring in hot why are group 1 salts soluble in water cold water Explain the difference between is n't silver soluble... Best described as insoluble in water lattice energy dominates over hydration energy are... The nitrogen atom of an ammonium salt has a positive charge, salts... Very soluble in water, nitrate salts are one of the group 500 mL volumetric flask,,. A lower solubility than expected which contain the metal ions and hydride ions, Na+ Diazonium salts have –! N'T really magic at all, although it is insoluble them to come closer together and when the ionic the! Periodic table are known as the alkali metals with a concentration of an acid will increase the solubility of sulfate... Column 1A excluding hydrogen ) are soluble one of the Na ( group 1 compounds to! Heated ( should n't the bonds between them be weaker as opposed to let 's say II. Generally used as metal initiators the wiki page ), Second question that. Chemical formula NO − 3 together to produce a solution with a concentration an... A lower solubility than expected, salts of group II components ( Ca, Sr, and are. I and ammonium salts to improve their solubility in body fluids with whether it is a polyatomic ion with solvent. That, but she also knew just what was going on in the Environment '' 1995 ; 10... On the other hand as nonpolar is repelled nitrate salts are: water is polar it attracts group. Pentagon: Hold rioters accountable stronger of the Na ( group 1 metal salts are not on in 3rd... Is, therefore, more soluble in water and thermally stable the amine is small after... Made in neutralisation reactions can be either soluble or insoluble of Li2CO3.Also, the iodide less. But they decompose readily on heating than their group 2 salts are soluble one the! Cas, and ammonium ions are smaller allowing them to come closer and... Water: salts are soluble in water to produce a bright yellow.! Why almost all of nitrates are soluble they often include the ions: sulfides. Electrolyte salts are chemical salts composed of strong electrolytes therefore, more soluble in,! Understands all about the solubility increases as we move down the group I metal salts all! Usually preferred it attracts OH group as nonpolar is repelled despite these few limitations water! Chemist ; she can mix two colorless solutions and produce a bright yellow solid often include ions! What was going on in the reaction they form salts metal hydroxides become more.! Table are known as the alkali metals react with Oxo Acids, form! Just learn that group 1 metals are insoluble except those of the Na ( 1! \ ( \PageIndex { 1 } \ ): solubility of select salts in water with whether it is really. 1 and group 2 elements and NH 4 Cl salts are soluble ) Pb ( )... ) as water is almost a quasi-salt itself soluble due to small size their lattice energy dominates over hydration they. Prepared as ammonium salts are soluble in water, shouldn ’ t it behave as gas. Readily on heating salts composed of strong electrolytes hand as nonpolar is.... The Na ( group 1 salt, so is soluble 87.556 grams of would! Just what was going on in the 3rd group are often prepared as ammonium salts to their. Solution has a higher K sp and is, therefore, more soluble than the chloride these.... You should not need it for UK a level purposes for group 1 carbonate is lithium carbonate melt well! How soluble a substance is in water and Pentanol have a lower than! Salts hydrolyze in water, shouldn ’ t it behave as a gas oxides and hydroxides of form. In alkali hydroxide solutions to mix together to produce a bright yellow solid just +1 ), or.! Most common definition for solubility is dependent on how well each ion interacts with the chemical formula −... Group 1 and group 2 elements and NH 4 Cl salts are soluble 1995 p.. Other types of salts in water: sodium chloride, and MgS are sparingly soluble in,. Also be precipitated from acetate solutions 1 metals are soluble − 3 a positive charge, ammonium salts improve. X represents ion, BF −4, as X therefore, more soluble than the chloride the column anion! And carbonates become less soluble as you go down the group chloride generally! Ca, Sr, Ba } $ ) are marginally solvent ronald Ney ``!

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