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Density of Gases

Density at 0°C and atmospheric pressure

Density of gases
Gas Molecular weight kg/m³ lb/ft³
Acetylene 26 1.170 0.0729
Air — 1.293 0.0806
Ammonia 17 0.769 0.0480
Blast furnace gas — 1.250 0.0780
Carbon dioxide 44 1.977 0.1234
Carbon monoxide 28 1.250 0.0780
Combustion products — 1.11 0.069
Ethyline 28 1.260 0.0786
Hydrogen 2 0.0899 0.0056
Methane 16 0.717 0.0447
Nitrogen 28 1.250 0.0780
Oxygen 32 1.429 0.0892
Sulphur dioxide 64 2.926 0.1828
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