Question

The correct complete ionic equation for the reaction that occurs when aqueous solutions
of Ca(NO₃)₂ and Na₂CO₃ are mixed is

a) Ca(NO₃)₂(aq) + Na₂CO₃(aq) Ã CaCO₃(s) + 2 NaNO₃(aq)

b) Ca²⁺ (aq) + 2 NO₃- (aq) + 2Na⁺ (aq) + CO₃^2- (aq) Ã CaCO₃(s) + 2 Na⁺ (aq) + 2 NO3^- (aq)

c) Ca²⁺ (aq) + 2 NO₃^- (aq) + 2Na⁺ (aq) + CO₃^2- (aq) Ã Ca²⁺(aq) + CO₃^2- (aq) + 2 NaNO₃(s)

d) Ca²⁺ (aq) + CO₃^2- (aq) Ã CaCO₃(s)

e) Na⁺ (aq) + NO₃^- (aq) Ã NaNO₃(s)