100℃,101330Pa,水蒸气:0.59764 kg/m3
0℃,101330Pa, 氮气:1.2504 kg/m3
0℃,101330Pa, 氦气:0.17850 kg/m3
0℃,101330Pa, 氖气:0.89989 kg/m3
0℃,101330Pa, 氩气:1.7840 kg/m3
0℃,101330Pa, 氪气:3.7494 kg/m3
0℃,101330Pa, 氙气:5.8987 kg/m3
p=m/v
我只知道相同气压温度下他们间的密度比是 18:28:2(稀有气体原子原子量)