题干

等物质的量的SO2和SO3相比较,下列结论错误的是(    )

A:它们的分子数目之比是1:1

B:它们的氧原子数目之比为2:3

C:它们的质量之比为1:1

D:它们所含原子数目之比为3:4

上一题 下一题 0.0难度 选择题 更新时间:2019-01-02 10:00:09

答案(点此获取答案解析)

C

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