Chapter 17 Principles of Chemical Reactivity: Other Aspects of Aqueous Equilibria - Study Questions - Page 677c: 72

$K=1.105\dot{}10^5$

$AgI(s)\leftrightarrow Ag^+(aq)+I^-(aq)$ $Ksp=[Ag^+][I^-]=8.5\dot{}10^{-17}$ $Ag^+(aq)+2\ CN^-(aq)\leftrightarrow Ag(CN)_2^{2-}(aq)$ $Kf=[Ag(CN)_2^{2-}]/[Ag^+][CN^-]^2=1.3\dot{}10^{21}$ $AgI(s)+2\ CN^-(aq)\leftrightarrow Ag(CN)_2^{2-}(aq)+I^-(aq)$ $K=Kf\dot{}Ksp=1.105\dot{}10^5$