Part A Identify the effect of increasing acidity on the solubility of the given compounds

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Part A

Identify the effect of increasing acidity on the solubility of the given compounds.

Drag the appropriate items to their respective bins.

MgCO3, FeS, Ca3(PO4)2, MgBr2, AgI, Mg(OH)2

Part B

Why does the addition of acid increase the solubility of calcium phosphate?

	It decreases the phosphate ion concentration, forcing the equilibrium to the left.
	It increases the phosphate ion concentration, forcing the equilibrium to the right.
	It increases the phosphate ion concentration, forcing equilibrium to the left.
	It decreases the phosphate ion concentration, forcing the equilibrium to the right.
	It decreases the calcium ion concentration, forcing the equilibrium to the right.
	It increases the calcium ion concentration, forcing the equilibrium to the right.
	It decreases the calcium ion concentration, forcing the equilibrium to the left.
	It increases the calcium ion concentration, forcing equilibrium to the left.

Part C

Another metal phosphate is nickel phosphate. It will behave similar to calcium phosphate in an acid solution. What is the net ionic equation including phases for NiPO4(s) dissolving in H3O+(aq) ?

Express your answer as a net ionic equation.