Question

For the following reaction, Kc = 255 at 1000 K. CO (g) + Cl2 (g) ⇌ COCl2 (g) A reaction mixture initially contains a CO concentration of 0.1450 M and a Cl2 concentration of 0.170 M at 1000 K.

What is the equilibrium concentration of CO at 1000 K?