The equilibrium constant, Kc, for the following reaction is 6.30 at 723K. ed 2NH3(g) N2(g) + 3H2(g) If an equilibrium mixture of the three gases in a 16.2 L container at 723K contains 0.420 mol of NH3(g) and 0.480 mol of N2, the equilibrium concentration of H2 is | . Submit Answer Retry Entire Group 9 more group attempts remaining