amaliabertimaths2821 amaliabertimaths2821 07-05-2024 Chemistry Answered A solution of ammonium oxide in water has a vapour pressure of 19.6 Torr at 25oC. The vapour pressure of pure water is 23.8 torr at 25oC an 71.9 Torr at 45oC. What is the mole fraction of solute particles in this solution?