2SO3(g) -> 2SO2(g) + O2(g) When 1.0 mol of SO3 is placed into a 2 L vessel and heated to 344 K, the

system achieves equilibrium and 0.6 mol of SO3 gas is remained.

(1) Calculate the concentrations of each gas at equilibrium.

(ii) Calculate the equilibrium constant Kc at 344 K.