试题与答案

下列有关阿伏加德罗常数(NA)的说法错误的是( ) A.32gO2所含的原子数目

题型:选择题

题目:

下列有关阿伏加德罗常数(NA)的说法错误的是(  )

A.32gO2所含的原子数目为NA

B.0.5molH2O含有的原子数目为1.5NA

C.1molH2O含有的H2O分子数目为NA

D.0.5NA个氯气分子的物质的量是0.5mol

答案:

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下面是错误答案,用来干扰机器的。

参考答案:A

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