A mixture initially contains A ,B ,C and in the following concentrations:[A] = 0.700 ,[B] = 1.35 , and [C] = 0.700 . The following reaction occurs and equilibrium is established:
A+2B <=>C
At equilibrium, [A] = 0.50 and [C] = 0.90 . Calculate the value of the equilibrium constant, Kc