1.25 moles of NOCl were placed in a 2.50L reaction chamber at427 deg C. after equilibrium was reached 1.10 moles of NOCl remained. Compute the equilibrium constant, Kc, for the reaction 2NOCl(g) <---> 2NO(g) + Cl2(g).
A. 3.0 x 10-4
B. 1.4 x 10-3
C. 5.6 x 10-4
D. 4.1 x 10-3