試題詳解

13. A mixture of carbon monoxide, hydrogen, and methanol is at equilibrium. The balanced chemical equation is: At 250℃, the mixture contains 0.0960 M CO, 0.191 M H2, and 0.150 M CH30H. What is the value for Kc?
(A)2.33 x 10-2
(B)0.244
(C)4.09
(D)42.8