At a certain temperature the reaction CO2(g) + H2(g) CO(g) + H2O(g)
Has Kc = 2.50. If 2.00 mol of carbon dioxide and 1.50 mol of hydrogen are placed in a 5.00-L vessel and equilibrium is established, what is the equilibrium concentration of carbon monoxide?
A) 0.209 M
B) 1.33 M
C) 0.267 M
D) 0.667 M
E) 0.600 M
Correct Answer:
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