Dry air Composition
On the post we going list the composition of dry air, will include volume % and B.P (boiling point).
| Gas | % by volume | B.P (boiling point)K |
| N2 | 78.03 | 77.2 |
| O2 | 20.99 | 90.1 |
| Ar | 0.93 | 87.2 |
| CO2 | 0.033 | 194.7 |
| Ne | 0.0018 | 27.2 |
| H2 | 0.0010 | 20.2 |
| He | 0.0005 | 4.2 |
| Kr | 0.0001 | 119.6 |
| Xe | 0.000008 | 165.1 |
On the above list, we can observed that Xe (xenon) have the least % by volume, but high B.P.
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