Solubility — Prelims Questions

Which of the following statements is INCORRECT regarding the solubility of gases in liquids?

The Henry's Law constant for oxygen dissolved in water at $298\,\text{K}$ is $4.34 \times 10^4\,\text{atm}$. If the partial pressure of oxygen in the air is $0.2\,\text{atm}$, what is the concentration of dissolved oxygen in terms of mole fraction?

A bottle of carbonated soft drink is opened. Which of the following changes will occur, and why?

Which of the following factors has a negligible effect on the solubility of a solid in a liquid?

The Henry's Law constant for nitrogen gas in water at $298\,\text{K}$ is $7.64 \times 10^4\,\text{atm}$. If nitrogen constitutes $78\%$ by volume of air, and the total atmospheric pressure is $1\,\text{atm}$, calculate the mole fraction of nitrogen dissolved in water.

Which of the following conditions would lead to the highest solubility of $CO_2$ gas in water?