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11 Dec 2019

The solubility of pure oxygen in water at 20.0°C and 760 torr is 4.30 × 10-3 g O2 per liter H2O.

When air is in contact with water and the air pressure is 587 torr at 20.0°C, how many grams of oxygen from the air dissolves in 1.00 L of water?

The average concentration of oxygen in the air is 21.1% (v/v).

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Sixta Kovacek
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13 Dec 2019

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Related questions

A company sells oxygen-enriched air, which they claim contains at least 50% by volume pure oxygen. To test their claim, a 1.00 liter glass bulb was filled with the gas to a total pressure of 750 Torr at 20.0°C. The weight of the gas sample was found to be 1.236 grams. What is the volume percent of oxygen gas in the mixture? Assume ordinary air consists of 20.0% by volume O2 and 80.0% by volume N2.

In 1.00 atm of pure oxygen, the solubility of O2(g) in water is1.26 x 10^-3 M at 25.0 degree C. The mole fraction of oxygen in airis 0.210. If the atmospheric pressure is 0.979 atm, what is thesolubility of oxygen in air at 25.0 degree C?

ch13.23 The Henry's law constant (kH) for O2 in water at 20°C is 1.28 × 10?3 mol/(Latm).


(a) How many grams of O2 will dissolve in 6.25 L of H2O that is in contact with pure O2
at 1.00 atm?

g O2

(b) How many grams of O2 will dissolve in 6.25 L of H2O that is in contact with air where the partial pressure of O2 is 0.209 atm?

g O2

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