Pure phosgene gas (COCl2), 3.00 × 10−2 mol. was placed in a 1.50-L container. It was heate...

Pure phosgene gas (COCl2), 3.00 × 10−2 mol. was placed in a 1.50-L container. It was heated to 800 K, and at equilibrium the pressure of CO was found to be 0.497 atm. Calculate the equilibrium constant Kp for the reaction