Silver and ammonia may react to form Ag(NH₃)₂⁺ complex (K f = 1.66 x 107). A 500 mL of 0.20 mol Ag⁺ and 500 mL of 0.80 mol NH₃ are mixed together. a. Write the complexation reaction. b. Write the formation constant expression. c. What is the concentration of the complex at equilibrium? d. What is the concentration of the metal at equilibrium?
a Ag+ + 2NH3 = Ag(NH3)2+
b Kf = [Ag(NH3)2+ ] / [Ag+] [NH3]2
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