Some COCl2 is placed in a sealed flask and heated to 756 K. When equilibrium is reached, the flask is found to contain COCl2 (7.40×10-4 M), CO (3.76×10-2 M), and Cl2 (1.78×10-2 M). What is the value of the equilibrium constant for this reaction at 756 K?

is the value of the equilibrium constant for this reaction at 756 K.

Explanation:

Equilibrium concentration of

Equilibrium concentration of

Equilibrium concentration of

The expression of an equilibrium constant can be written as;

is the value of the equilibrium constant for this reaction at 756 K.