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Question

At 1130 degrees C, the equilibrium constant (Kc) for the reaction 2H2S(g) ⇌ 2H2(g) + S2(g) is 2.25x10^-4. If [H2S] = 5.20x10^-3 M and [H2] = 1.50x10^-3 M. calculate [S2]. (Enter your answer in scientific notation.)