daniellao Posted May 8, 2008 Posted May 8, 2008 In 1 atm of pure oxygen, the solubility of O2 in water is 1.38x10^-3 mol/L at 25 degrees celcius. The mole fraction of oxygen in air is .210. If the atmospheric pressure is 1 atm, what is the solubility of oxygen in air at 25 degrees celcius?
John Cuthber Posted May 8, 2008 Posted May 8, 2008 "what is the solubility of oxygen in air at 25 degrees celcius?" This question's meaningless.
daniellao Posted May 8, 2008 Author Posted May 8, 2008 its exactly how the question is written, and how my professor gave it to me.... thats y i am very confused
Mr Skeptic Posted May 9, 2008 Posted May 9, 2008 Looks like the question is about the solubility of oxygen in water at atmospheric concentration and pressure (as opposed to for pure oxygen).
thedarkshade Posted May 9, 2008 Posted May 9, 2008 The solubility of oxygen in water decreases with the increase in temperature. This also affects water's ability of auto-purification.
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