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2 H2O(g) + 2 SO2(g) ↔ 2 H2S(g) + 3 O2(g)
A reaction mixture initially contains 2.8 M H2O and 2.6 M SO2. Determine the equilibrium concentration of H2S if Kc for the reaction at this temperature is 1.3 × 10-6.
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