氮?dú)庋鯕怆p分子,1.4g氮?dú)夂?.6g氧氣都是0.1mol
氬氣是稀有氣體單分子,4.0g氬氣也是0.1mol
不考慮分子間隙,混合后0.3mol
標(biāo)準(zhǔn)狀況體積V=0.3mol乘以22.4L/mol=6.72L?й????n??N2??=m??N2??/M(N2)=1.4g??14g/mol=0.1mol????n??O2??=n??Ar??=0.1moln????=n??N2??+n??O2??+n??Ar??=0.3mol?????????V????=0.3mol????22.4L/mol=6.72L????4.48l?????????????????????л?????N2??O2?????????28??32????????