Liquid Solution

What is the solubility of a gas in water at \(25^{\circ} \mathrm{C}\) if partial pressure is \(0.18 \mathrm{~atm}\) ?

\(\left(\mathrm{K}_{\mathrm{H}}=0.16 \mathrm{~mol} \mathrm{dm}^{-3} \mathrm{~atm}^{-1}\right)\)