GKFix MCQ Question

What is the correct expression for the solubility product of calcium phosphate (Ca₃(PO₄)₂)?

• A. Ksp = [Ca²⁺][PO₄³⁻]
• B. Ksp = [Ca²⁺]²[PO₄³⁻]³
• C. Ksp = [Ca⁺][PO₄³⁻]
• D. Ksp = [Ca²⁺]³[PO₄³⁻]²