题目内容
.t℃，碳和水在密闭容器中发生下列反应：C(s)+H 2O(g) 
CO(g)+H 2(g)，CO(g)+H 2O(g) 
CO 2(g)+H 2(g) 当反应达平衡时，测得 c(H 2)=1.9 kJ·mol -1， c(CO)="0.1" kJ·mol -1，则CO 2的浓度为
2021-09-18
A.0.1 kJ·mol-1
B.0.9 kJ·mol-1
C.1.8 kJ·mol-1
D.1.9 kJ·mol-1[
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