GKFix MCQ Question

What is the equilibrium constant expression for the reaction Ag₂O(s) + 2HNO₃(aq) ⇌ 2AgNO₃(aq) + H₂O(l)?

• A. Kc = [AgNO₃][H₂O]/[Ag₂O][HNO₃]
• B. Kc = [AgNO₃]²/[Ag₂O][HNO₃]²
• C. Kc = [AgNO₃]²/[HNO₃]²
• D. Kc = [Ag₂O][HNO₃]²/[AgNO₃]²