Carbon monoxide is one of the toxic substances that can be found in water. CO has a solubility of 9.85 x10^-4 M at 25°C, 1 atm. Calculate Henry's law constant for CO in water.

• A. 4.89 x10^-4 mol/L-atm
• B. 1.54 x10^-4 mol/L-atm
• C. 9.85 x10^-4 mol/L-atm
• D. 7.19 x10^-4 mol/L-atm

Answer: (C)