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一些常用气体的摩尔质量和临界参数物质分子式乙炔26.043193096.280.274空气—28.972871333.770.284氨17.0448840611.280.242氩39.942081514.860.290苯78.111065634.930.274正丁烷58.121434253.800.274二氧化碳44.011893047.390.276一氧化碳28.012971333.500.294乙烷30.072773054.880.285乙醇46.071805166.380.249乙烯28.052962835.120.270氦He4.00320775.20.230.300氢H22.018412433.21.300.304甲烷16.045181914.640.290甲醇32.052595137.950.220氮N228.012971263.390.291正辛烷114.22735692.490.258氧O232.002601545.050.290丙烷44.091893704.270.276丙烯42.081983654.620.276R12120.92693854.120.278R2286.48963694.980.267R134a102.03813744.070.260二氧化硫SO264.061304317.870.268水蒸气H2O18.02461647.322.090.233
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