Chapter 13, Problem 20PS

The Henry’s law constant for O₂ in water at 25 ° is given in Table 13.2. Which of the following is a reasonable constant when the temperature is 50 °C? Explain the reason for your choice.

1. (a) 6.7 × 10⁻⁴ mol/kg · bar
2. (b) 2.6 × 10⁻³ mol/kg · bar
3. (c) 1.3 × 10⁻³ mol/kg · bar
4. (d) 6.4 × 10⁻³ mol/kg · bar

TABLE 13.2

Henry’s Law Constants for Gases in Water (25 °C)*