5-8 Write net ionic equations for precipitation reactions

5-8-1. What is the net ionic equation for the precipitation reaction that occurs when K₂SO₄(aq) and Pb(NO₃)₂ are mixed?
A. K⁺(aq) + NO₃^-(aq) → KNO₃(s)
B. Pb⁺(aq) + SO₄^-(aq) → PbSO₄(s)
C. Pb²⁺(aq) + SO₄^2-(aq) → PbSO₄(s)

5-8-2. What is the net ionic equation for the precipitation reaction that occurs when Na₂CO₃(aq) and AgNO₃ are mixed?

A. Na⁺(aq) + NO₃^-(aq) → NaNO₃(s)

B. Ag⁺(aq) + CO₃^2-(aq) → Ag₂CO₃(s)

C. Ag²⁺(aq) + CO₃^2-(aq) → AgCO₃(s)

D. 2 Ag⁺(aq) + CO₃^2-(aq) → Ag₂CO₃(s)

5-8-CML. Write the net ionic equation for the following chemical reaction: Sodium sulfate reacts with barium acetate to form barium sulfate and sodium acetate.