Calculate K. AgI(s)⇌ Ag⁺(aq)+ I^-(aq)K_sp = 8.5 × 10^-17 Ag⁺(aq)+ 2 NH₃(aq)⇌ Ag(NH₃)₂²⁺(aq)K_f = 1.7 × 10⁷ AgI(s)+ 2 NH₃(aq)⇌ Ag(NH₃)₂²⁺(aq)+ I^-(aq)K = ? A) 1.7 × 10⁷ B) 1.4 × 10^-9 C) 5.0 × 10^-24 D) 2.0 × 10²³ E) 6.9 × 10⁸

Question

Quizplus · Accepted Answer

The equilibrium constant K for the overall reaction is the product of the solubility product (Ksp) and the formation constant (Kf): K = Ksp × Kf = (8.5 × 10^-17) × (1.7 × 10^7) = 1.445 × 10^-9, which is approximately 1.4 × 10^-9.