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Henry's Law Constants for Aqueous Solutions at 25°C Are 8

Question 15

Multiple Choice

Henry's Law constants for aqueous solutions at 25°C are 8.20 × 10-7 molal/mmHg for N2 and 1.62 × 10-6 molal/mmHg for O2. Determine the solubility of oxygen in water under an atmospheric pressure of 760 mmHg, assuming that air is 80% N2 and 20% O2.


A) 6.2 × 10-3 m
B) 2.5 × 10-4 m
C) 1.3 × 10-4 m
D) 5.0 × 10-4 m
E) 1.2 × 10-3 m

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