Visualizing Concepts
The solubility of Xe in water at 1 atm pressure and 20 °C is approximately 5 × 10-3 M. (a) Compare this with the solubilities of Ar and Kr in water (Table). (b) What properties of the rare gas atoms account for the variation in solubility? [Section]
Table Solubilities of Gases in Water at 20 °C, with 1 atm Gas Pressure
Gas | Molar Mass (g/mol) | Solubility (M) |
N2 | 28.0 | 0.69 × 10-3 |
O2 | 32.0 | 1.38 × 10-3 |
Ar | 39.9 | 1.50 × 10-3 |
Kr | 83.8 | 2.79 × 10-3 |
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