The equilibrium concentrations of the reacting species are [CO] = 0.0570 M, [H2] = 0.0400 M, [CO2] = 0.0880 M, and [H2O] = 0.0350 M.   (a) Calculate Kc for the reaction at 686°C. (b) If we add CO2 to increase its concentration to 0.420 mol / L, what will the concentrations of all the gases be when equilibrium is reestablished?

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The equilibrium concentrations of the reacting species are [CO] = 0.0570 M, [H2] = 0.0400 M, [CO2] = 0.0880 M, and [H2O] = 0.0350 M.
 
(a) Calculate Kc for the reaction at 686°C.

(b) If we add CO2 to increase its concentration to 0.420 mol / L, what will the concentrations of all the gases be when equilibrium is reestablished?

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