At 1700 C, the equilibrium constant, Kc, for the following reaction is 4.10 x 10^-4.
N2 (g) + O2 (g) <=> 2NO (g)
What percentage of O2 will react to form NO if 0.867 mol of N2 and 0.867 mol of O2 are added to a 0.769-L container and allowed to come to equilibrium at 1700 C?