GKFix MCQ Question

What is the correct expression for the solubility product (Ksp) of zirconium phosphate (Zr₃(PO₄)₄)?

• A. Ksp = (4S)³(3S)⁴
• B. Ksp = (S)(S)
• C. Ksp = (3S)⁴(4S)³
• D. Ksp = (3S)³(4S)⁴