Examples
The following table lists common examples of number densities at 1 atm and 20 °C, unless otherwise noted.
| Material | Number density (n) | Molar concentration (c) | Density | Molar mass (M) | |
|---|---|---|---|---|---|
| Units | (1027 m−3) or (1021 cm−3) |
(amagat) | (103 mol/m3) or (mol/L) | (103 kg/m3) or (g/cm3) | (10−3 kg/mol) or (g/mol) |
| ideal gas | 0.02504 | 0.932 | 0.04158 | 41.58×10−6×M | M |
| dry air | 0.02504 | 0.932 | 0.04158 | 1.2041×10−3 | 28.9644 |
| water | 33.3679 | 1241.93 | 55.4086 | 0.99820 | 18.01524 |
| diamond | 176.2 | 6556 | 292.5 | 3.513 | 12.01 |
Read more about this topic: Number Density
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