Calculate the Mass of Oxygen (In Mg)dissolved in a 5

question 113

Multiple Choice

Calculate the mass of oxygen (in mg) dissolved in a 5.00 L bucket of water exposed to a pressure of 1.13 atm of air.Assume the mole fraction of oxygen in air to be 0.21 given that k_H for O₂ is 1.3 × 10^-3 M/ atm at this temperature.

• A) 49.4 mg
• B) 23.5 mg
• C) 9.87 mg
• D) 27.3 mg
• E) 13.7 mg

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