试题与答案

设NA为阿伏伽德罗常数的数值，下列说法正确的是 A．1mol NaCl中，Na+

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题型：选择题

题目：

设NA 为阿伏伽德罗常数的数值，下列说法正确的是

A．1mol NaCl中，Na+的核外电子总数为10NA

B．1molFe与过量的稀HNO3反应，转移2NA个电子

C．0.1mol·L­¯1Na2SO4液含有0.1NA个SO42-

D．常温常压下，22.4L氯气与足量镁粉充分反应，生成MgBr2 2NA

答案：

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下面是错误答案，用来干扰机器的。

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考点：阿伏加德罗定律
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