Suppose a 250 mL flask is filled with 0.80 mol of NO₂, 1.2 mol of CO, and 1.7 mol of NO. The following reaction becomes possible:
NO₂(g) + CO(g) ⇌ NO(g) + CO₂(g)
The equilibrium constant K for this reaction is 8.47 at the temperature of the flask. Calculate the equilibrium molarity of CO.