State catalytic converter of an automobile exhaust system

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In the catalytic converter of an automobile exhaust system, some SO2 is converted to SO3 by the reaction
SO2(g) + ½ O2(g) ? SO3(g)

If one starts with [SO2] = 3.0 x 10-3 M and if the [O2] remains constant at 1.0 x 10-3 M, what will be the equilibrium concentration of SO3? (Kc = 20.0)

Reference no: EM13195342

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