What does Henry's Law state about the solubility of a gas?

• A. The solubility of a gas is directly proportional to its partial pressure over a liquid.
• B. The solubility of a gas is directly proportional to the temperature of the liquid.
• C. The solubility of a gas is inversely proportional to its partial pressure over a liquid.
• D. The solubility of a gas is unaffected by its partial pressure over a liquid.

Answer: (A)