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Chemical Equilibrium

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At a certain temperature, K = 9.1e-4 (exponential notation) for the following reaction:
FeSCN2+(aq) Fe3+(aq) + SCN -(aq)

Calculate the concentrations of Fe3+, SCN -, and FeSCN2+ in a solution that is initially 2.0 M FeSCN2+.

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Solution Summary

The solution calculates the concentration of ions. The initial solution of FeSCN2+ is examined.

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At a certain temperature, K = 9.1e-4 (exponential notation) for the following reaction:
FeSCN2+(aq) Fe3+(aq) + SCN -(aq)

Calculate the concentrations of Fe3+, SCN -, and FeSCN2+ in a solution that is initially 2.0 M FeSCN2+.

Let 'x' be the concentration of FeSCN 2+ that dissociates:

FeSCN 2+ (aq) -------> Fe 3+ (aq) + ...

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