(Answered) A mixture initially contains a b and c in the following

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A mixture initially contains A, B, and C in the following concentrations: [A] = 0.600 M, [B] = 1.00 M, and [C] = 0.400 M. The following reaction occurs and equilibrium is established:

A 2B <-> C

At equilibrium, [A] = 0.420 M and [C] = 0.580 M. Calculate the value of the equilibrium constant, Kc.

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