65. Analysis of the gases in a sealed reaction vessel containing NH3, N2, and H2 at equilibrium at 400 oC established the concentration of N2 to be 1.2 M and the concentration of H2 to be 0.24 M. N2(g) + 3H2(g) 2NH3(g) Calculate the equilibrium molar concentration of NH3. Kc = 0.50 at 400°C