![]() 2PO 4 3−(aq) + 3Hg 2+(aq) → Hg 3(PO 4) 2(s)ĭarkening of silver bromide crystals by exposure to light.Aqueous solutions of calcium bromide and cesium carbonate are mixed.Solid sodium fluoride is added to an aqueous solution of ammonium formate.Solid potassium phosphate is added to an aqueous solution of mercury(II) perchlorate.An aqueous solution of strontium hydroxide is added to an aqueous solution of iron(II) chloride.The net ionic equation is as follows: Pb 2+ (aq) + 2I −(aq) → PbI 2(s) Thus Pb(C 2H 3O 2) 2 will dissolve, and PbI 2 will precipitate. The only possible exchange reaction is to form LiCl and BaSO 4:ī According to Table 4.2 "Guidelines for Predicting the Solubility of Ionic Compounds in Water", ammonium acetate is soluble (rules 1 and 3), but PbI 2 is insoluble (rule 4). Mixing the two solutions initially gives an aqueous solution that contains Ba 2+, Cl −, Li +, and SO 4 2− ions. If a precipitate forms, write the net ionic equation for the reaction.Ī Because barium chloride and lithium sulfate are strong electrolytes, each dissociates completely in water to give a solution that contains the constituent anions and cations. ![]() ![]()
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