Determine the partial pressure of oxygen necessary to form an aqueous solution that is 4.1 × 10^-4mol L^-1 O₂ at 25 °C.The Henry's law constant for oxygen in water at 25 °C is 1.3 × 10^-3 mol L^-1 bar^-1. A)1.9 bar B)0.53 bar C)0.24 bar D)0.77 bar E)0.32 bar

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Quizplus · Accepted Answer

Using Henry's law, $ P = \frac{C}{k_H} $, where $ C = 4.1 \times 10^{-4} $ mol L$^{-1}$ and $ k_H = 1.3 \times 10^{-3} $ mol L$^{-1}$ bar$^{-1}$. Calculating gives $ P = \frac{4.1 \times 10^{-4}}{1.3 \times 10^{-3}} \approx 0.32 $ bar.

Determine the Partial Pressure of Oxygen Necessary to Form an Aqueous