下列叙述正确的是 A.1 mol CO2的质量为44g/mol        B.CH4的摩尔

下列叙述正确的是

A1 mol CO2的质量为44g/mol       

BCH4的摩尔质量为16g    

C3.01×1023SO2分子的质量为32g 

D.国际上规定,12g碳原子所含有的碳原子数目为1mol     

答案

C

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