Kc = 2.1 x 103 NO3(g) = NO2(g) + 1/202(g) Kc = 3.7 × 10-2 SO2(g) + 1/2 O2lg) = SO3(g) Calculate the equilibrium constant for the reaction SO2(g) + NO3(g) = SO3(g) + NO2(g). 2.1x 103 None of these 1.8 x 10-5 5.7 x 104 78 3.2 x 10-10

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