设NA为阿伏加德罗常数,下列说法正确的是:               

设NA为阿伏加德罗常数,下列说法正确的是:                              (   )

A.标准状况下,5.6L四氯化碳含有的分子数为0.25NA

B.标准状况下,14g氮气含有的核外电子数为5NA

C.标准状况下, 22.4L任意比的氢气和氯气的混合气体中含有的分子总数均为NA

D.标准状况下,铝跟氢氧化钠溶液反应生成1mol氢气时,转移的电子数为NA

 

答案

C

解析:略

 

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