The Formation Constant for Ag(CN)₂−(aq)is 2 × 10²⁰

question 2

Multiple Choice

The formation constant for Ag(CN) ₂−(aq) is 2 × 10²⁰.At what cyanide ion concentration is [Ag⁺] = [ Ag(CN) ₂−]?

• A) 3 × 10−⁴¹ M
• B) 5 × 10−²¹ M
• C) 7 × 10−¹¹ M
• D) 6 × 10−⁶ M
• E) 1 × 10¹⁰ M

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