You want to prepare barium chloride, BaCl 2 , using an exchange reaction of some type. To

Question:

You want to prepare barium chloride, BaCl₂, using an exchange reaction of some type. To do so, you have the following reagents from which to select the reactants: BaSO₄, BaBr₂, BaCO₃, Ba(OH)₂, HCl, HgSO₄, AgNO₃, and HNO₃. Write a complete, balanced equation for the reaction chosen.