Which of the following is the best representation of the precipitation reaction that occurs when aqueous solutions of sodium carbonate and calcium chloride are mixed?
A. Na⁺(aq) + Cl⁻(aq) → 2NaCl(s)
B. Ca₂⁺(aq) + CO₃²- (aq) → CaCO₃(s)
C. 2Na⁺(aq) + CO₃²- (aq) + Ca₂⁺(aq) + 2Cl⁻(aq) → CaCO₃(s) + 2NaCl(s)
D. No precipitation reaction occurs."
