问题
单项选择题
如果一个容器中充满氢气，另一个同样大小的容器中充满二氧化碳.在常压下，两个容器中含有同样的（）。
A.分子数
B.原子数
C.气体质量
答案
参考答案：A
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如果一个容器中充满氢气，另一个同样大小的容器中充满二氧化碳.在常压下，两个容器中含有同样的（）。
A.分子数
B.原子数
C.气体质量
参考答案：A
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