GKFix MCQ Question

What is the correct expression for the solubility product of calcium carbonate (CaCO₃)?

• A. Ksp = [Ca²⁺]²[CO₃²⁻]
• B. Ksp = [Ca²⁺][CO₃²⁻]²
• C. Ksp = [Ca²⁺]³[CO₃²⁻]²
• D. Ksp = [Ca²⁺][CO₃²⁻]