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

question 99

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 nitrogen in water under an atmospheric pressure of 760 mmHg, assuming that air is 80% N₂ and 20% O₂.

• A) 6.23 × 10^-4 m
• B) 7.79 × 10^-4 m
• C) 4.99 × 10^-4 m
• D) 1.25 × 10^-4 m
• E) 6.16 × 10^-3 m

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