Silver and ammonia may react to form Ag(NH₃)₂⁺ complex (K f = 1.66 x 10 7 ). 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?

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