Chemistry - Liquid Solution Question with Solution | TestHub

The total vapour pressure of a 4 mole $\%$ solution of $N{H}_3$ in water at 293 K is 50.0 torr. The vapour pressure of pure water is 17.0 torr at this temperature. Applying Henry's and Raoult's law, calculate the total pressure for a 5 mole $\%$ solution (in torr)