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At a certain temperature, 0.760 mol of SO3 is placed in a 1.50-L container. 2SO3(g)--> 2SO2(g)+O2(g)...

At a certain temperature, 0.760 mol of SO3 is placed in a 1.50-L container.

2SO3(g)--> 2SO2(g)+O2(g)

At equilibrium, 0.200 mol of O2 is present. Calculate Kc.

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