1. Name a reagent that will precipitate sulfate, phosphate, and carbonate ions.
2. Name a reagent that will dissolve BaCO3 and Ba3(PO4)2 but not BaSO4.
3. Name a reagent that will form a precipitate with chloride, phosphate, and carbonate ions but not with nitrate and sulfate ions.
4. Which one of the five anions that you will study liberates a gas when treated with HCl?
5. Which anion will not form a precipitate with any of the reagents that you are going to use?