A:1 mol的CH4质量为16g/mol
B:3.01×1023个CO2分子的质量约为22g
C:H2O的摩尔质量为18g
D:标准状况下,1 mol任何物质体积均为22.4L
Music Club
Friday-Sunday 9:00a.m.-5:00p.m.
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Holiday Restaurant
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下列地形区与所在的大洲组合正确的是( )
甲瓶
乙瓶
丙瓶
瓶口
敲开
用消化棉球塞住
温度
25℃
5℃