For the reaction 2NH(₃)(g) ⇌ 3H(₂)(g) + N(₂)(g), the equilibrium concentrations are: [NH(₃)]=0.250M, [H(₂)]=0.630M, [N(₂)]=0.800M.
Calculate the equilibrium constant (Kc) for this reaction.
A) 0.064
B) 0.100
C) 0.200
D) 0.320