At `80^(@)"C"`, the vapour pressure of pure liquid 'A'  is 250 mm Hg and that
Channel: Doubtnut
Date: 12/04/2020

At `80^(@)"C"`, the vapour pressure of pure liquid 'A'  is 250 mm Hg and that of pure liquid 'B' is 1000 mm Hg. If a mixture solution of 'A' and 'B'  boils at `80^(@)"C"` and 1 atm pressure, the amount of 'A' in the mixture is : `"(1 atm=760 mm of Hg)"`