A 0066 mol sample of formaldehyde vapor ch2o was placed in, Ask an Expert

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A 0.066 mol sample of formaldehyde vapor, CH2O, was placed in a heated 500. mL vessel and some of it decomposed. The reaction is CH2O(g) H2(g) + CO(g). At equilibrium, the CH2O concentration was 0.040 mol L-1. Calculate the value of Kc for this reaction?

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