题目内容
已知反应①CO(g)＋CuO(s) 
CO 2(g)＋Cu(s)和反应②H 2(g)＋CuO(s) 
Cu(s)＋H 2O(g)在相同的某温度下的平衡常数分别为K 1和K 2，该温度下反应③CO(g)＋H 2O(g) 
CO 2(g)＋H 2(g)的平衡常数为K。则下列说法正确的是
2021-09-18
A.
B.反应③的平衡常K＝
C.
D.
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