For the reaction

CHEMISTRY · Subjective · A Level · Chemistry · Chemical equilibria (Le Chatelier’s principle and Kc) · Chemical equilibria (Le Chatelier’s principle and Kc)

Problem

For the reaction 2 SO2(g)+O2(g)⇌2 SO3(g)2\,\mathrm{SO_2(g)}+\mathrm{O_2(g)}\rightleftharpoons 2\,\mathrm{SO_3(g)}, a 5.00 L rigid container at 900 K is charged with 1.00 mol SO2\mathrm{SO_2}, 0.500 mol O2\mathrm{O_2}, and 0.200 mol SO3\mathrm{SO_3}. Determine the reaction quotient QcQ_c at this moment.

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