Sufficient sodium cyanide, NaCN, was added to 2.5 × 10~² M silver nitrate, AgNÓ3, to give a solution that was initially 0.202 M of a cyanide ion, ČN¯. What is the concentration of silver ion, Ag*, in this solution after Ag(CN)2¯ forms? The formation constant K, for the complex ion Ag(CN),¯ is 5.6 x 1018. Concentration = [ M

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Chapter17: Solubility And Complex-ion Equilibria
Section: Chapter Questions
Problem 17.63QP: Sufficient sodium cyanide, NaCN, was added to 0.015 M silver nitrate, AgNO3, to give a solution that...
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Sufficient sodium cyanide, NaCN, was added to 2.5 × 10⁻² M silver nitrate, AgNO₃, to give a solution that was initially 0.202 M of a cyanide ion, CN⁻. What is the concentration of silver ion, Ag⁺, in this solution after Ag(CN)₂⁻ forms? The formation constant K_f for the complex ion Ag(CN)₂⁻ is 5.6 × 10¹⁸.

Concentration = _______ M
Transcribed Image Text:Sufficient sodium cyanide, NaCN, was added to 2.5 × 10⁻² M silver nitrate, AgNO₃, to give a solution that was initially 0.202 M of a cyanide ion, CN⁻. What is the concentration of silver ion, Ag⁺, in this solution after Ag(CN)₂⁻ forms? The formation constant K_f for the complex ion Ag(CN)₂⁻ is 5.6 × 10¹⁸. Concentration = _______ M
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