Recall that the solubility of a gas is given by Henry’s law:
Sgas = solubility of the gas (in mol/L or M)
kH = Henry’s law constant for the gas
Pgas = partial pressure of the gas
A 500.0 ml sample of pure water is allowed to come to equilibrium with pure oxygen gas at a pressure of 755 mmHg. What mass of oxygen gas dissolves in the water? (The Henrys law constant for oxygen gas is 1.3 x 10-3 M/atm.)
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