Verskil tussen weergawes van "Relatiewe digtheid"

|-
| N<sub>2</sub>
|align="center"| 28.014
|align="center"| 78.09
|align="center"| 28.014
|-
| O<sub>2</sub>
|align="center"| 31.998
|align="center"| 20.95
|align="center"| 31.998
|-
| Ar
|align="center"| 39.948
|align="center"| 0.92
|align="center"| 39.948
|-
| CO<sub>2</sub>
|align="center"| 44.009
|align="center"| 0.03
|align="center"| 44.009
|-
| H<sub>2</sub>
|align="center"| 2.0158
|align="center"| 0.01
|align="center"| 2.0158
|-
| '''Gemiddeld'''
|align="center"| 28.961
|align="center"|
|align="center"| '''28.961'''
 
|}
 
 
Volgens die [[ideale gaswet]] is die digtheid van lug by standaar druk en temperatuur dus die volgende:
 
:<math>\rho_lug = \frac{PM}{RT} = </math>
 
==Voetnotas==
3 520

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