标准状况下有①6.72LCH4;②3.01×1023个HCl;③13.6gH2S;④0.2molNH3。下列

标准状况下有6.72LCH43.01×1023个HCl;13.6gH2S;0.2molNH3。下列对四种气体的关系从小到大表示不正确的是

A、体积:<<<                  B、氢原子数:<<<

C、质量:<<<                  D、密度:<<<

答案

C

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