問題詳情
12.一定条件下磷与干燥氯气反应,若0.25 g磷消耗掉314mL 氯气(标准状况),则产物中PCl3与PCl5的物质的量之比接近于
(A) 3 : 1
(B) 5 : 3
(C) 2 : 3
(D) 1 : 2
(A) 3 : 1
(B) 5 : 3
(C) 2 : 3
(D) 1 : 2
參考答案
答案:C
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)
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