Question 1
Determine the solubility of N
2 in water exposed to air at 25 °C if the atmospheric pressure is 1.2 bar. Assume that the mole fraction of nitrogen is 0.78 in air and the Henry's law constant for nitrogen in water at this temperature is 6.1 × 10
-4 mol L
-1 bar
-1.
◦ 5.7 × 10
-4 mol L
-1◦ 3.6 × 10
-4 mol L
-1◦ 1.8 × 10
-4 mol L
-1◦ 6.5 × 10
-4 mol L
-1◦ 1.5 × 10
-4 mol L
-1Question 2
Determine the solubility of CO
2 in soda water at 25 °C if the pressure of CO
2 is 5.2 bar. The Henry's law constant for carbon dioxide in water at this temperature is 3.4 × 10
-2 mol L
-1 bar
-1.
◦ 0.18 mol L
-1◦ 0.65 mol L
-1◦ 0.57 mol L
-1◦ 0.15 mol L
-1◦ 0.29 mol L
-1