Consider the following equilibrium process at 700°C.
2H2(g) + S2(g) 2 H2S(g)
Analysis shows that there are 2.50 moles of H2, 1.35 10-5 mole of S2, and 8.70 moles of H2S present in a 12.0 L flask. Calculate the equilibrium constant Kc for the reaction.