试题与答案

设NA为阿伏伽德罗常数的值,下列说法中错误的是[ ] A.46gNO2和N2O4

题型:不定项选择题

题目:

设NA为阿伏伽德罗常数的值,下列说法中错误的是           [ ]

A. 46g NO2和N2O4的混合物所含的原子数为3NA    

B. 7.1g Cl2与足量NaOH溶液反应转移的电子数为0.1NA    

C. 0.1mol/L的100mLH2SO3溶液中,含有的离子数约为0.03 NA    

D. 标准状况下,11.2L SO3所含的分子数为0.5NA

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, B, D, E解析:C项属于产品设计缺陷。

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