What will be the concentration of oxygen

Reference no: EM131310752

In the aeration of wastewater, liquid-gas contact systems are designed to raise the concentration toward equilibrium levels. This goal is accomplished by dispersing air bubbles into the water. An aqueous solution, initially containing 2 × 10^-3 kg O₂/100 kg H₂O is brought into contact with a large volume of ordinary air at 293 K and a total pressure of 1:013 ×10⁵ Pa. At 293 K, the Henry's law constant for the oxygen-water system equals 4:06 × 10⁹ Pa/mol fraction of oxygen in the liquid.

a. Will the solution gain or lose oxygen?

b. What will be the concentration of oxygen in the final equilibrium solution in kg O²per 100 kg H₂O?

Reference no: EM131310752

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