.Enter your answer in the provided box A reaction vessel contains NH3, N2, and H2 at equilibrium at a certain temperature. The equilibrium concentrations are [N2] = 0.91 M, [H2] = 1.21 M, and (NH3) = 0.20 M. Calculate the equilibrium constant, Kc ( )xw+ ( 1 )1,2) 9 N2() H2(g) = NH30