Use the equilibrium constant that is given for one of the reactions below to calculate the missing equilibrium constant for the other reaction. 2 SO2(g) + O2(g) =2 SO3(g) Kc = 1.7 x 106 SO3(g) = 1/2 02(g) + SO2(g) Kc =? O 1.2 x 10-6 O 7.7 x 10-4 O 1.3 x 103 O 8.5 O 3.4 x 102

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