Problem: The formation constant of [M(CN)2]- is 5.30 x 1018, where M is a generic metal.A 0.160-mole quantity of M(NO3) is added to a liter of 0.710 M NaCN solution. What is the concentration of M+ ions at equilibrium?

FREE Expert Solution

M+ + 2 CN-  [M(CN)2]-


Kf =productsreactants=[MCN2-][M+][CN-]2


Step 1: Construct ICE table for the reaction

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Problem Details

The formation constant of [M(CN)2]is 5.30 x 1018, where M is a generic metal.

A 0.160-mole quantity of M(NO3) is added to a liter of 0.710 M NaCN solution. What is the concentration of M+ ions at equilibrium?

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