(1) Determine the Keq equation
AgI ⇌ Ag+ (aq) + I- (aq) Kf = 1.7x107
Ag+ + 2NH3 ⇌ Ag(NH3)2+ Ksp = 1.5x1016
AgI (s) + 2 NH3 (aq) ⇋ Ag(NH3)2+ + I- (aq) Keq = 1.5x1016 x 1.7x107 = 2.55x10-9
(2) Construct an ICE chart
Calculate the molar solubility of AgI in 3.0 M NH 3. The overall formation constant for Ag(NH3)2+ is 1.7 X 107.
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