题目内容
2.0mol PCl3和1.0mol Cl2充入体积不变的密闭容器中,在一定条件下发生下述反应PCl3g)+Cl2(g)
PCl5(g) 达到平衡时,PCl5为0.4mol,如果此时移走1.0mol PCl3和0.50mol Cl2,在相同温度下再达平衡时PCl5的物质的量是
2021-09-14
A.0.40mol
B.0.20mol
C.大于0.20mol,小于0.40mol
D.小于0.20mol
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