题目内容
已知0.4mol的X气体分子的质量为6.4g,则X气体的摩尔质量是( )
A.16g | B.32 | C.16g/mol | D.64g/mol |
0.4mol的X气体分子的质量为6.4g,所以摩尔质量M=
=
=16g/mol,故选C.
m |
n |
6.4g |
0.4mol |
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题目内容
A.16g | B.32 | C.16g/mol | D.64g/mol |
m |
n |
6.4g |
0.4mol |