The vapour pressure of pure liquids A and B are 450 and 700mm Hg respectively at 350K. Find out the composition of the liquid mixture if total vapour pressure observed is 600mm Hg.

Benzene and naphthalene form ideal solution over the entire range of composition. The vapour pressure of pure benzene and naphthalene at 300 K are 50.71 mm Hg and 32.06 mm Hg respectively. What will be themole fraction of benzene in vapour phase if 80 g of benzene is mixed with 100 g of naphthalene?

100 g of liquid A (molar mass 140g"mol"^(-1) ) was dissolved in 1000 g of liquid B (molar mass 180 g"mol"^(-1) ) . The vapour pressure of pure liquid B was found to be 500 torr. What will be the vapour pressure of pure liquid A and its vapour pressure in the solution respectively if the total vapour pressure of the solution is 475 torr?

The vapour pressure of two liquids X and Y are 80 and 60 Torr respectively. The total vapour pressure of the ideal solutions obtained by mixing 3 moles of X and 2 moles of Y would be

At 90^@C , the vapour pressure of toluene is 400 mm and that of xylene is 150 mm. The mole fraction of toluene in liquid mixture that boil at 90^@C at a pressure of 0.5 atm is

100 g of liquid 'A' (molar mass '140 g/ mol' ) was dissolved in 1000 g of liquid 'B'. (molar mass 180 g/mol The vapour pressure of pure liquid B was found to be 500 torr. Calculate the vapour pressure of pure liquid A and its vapour pressure in the solution, if the total vapour pressure of the solution is 475 torr.

A solution has a 1:4 mole ratio of pentane to hexane. The vapour pressure of the pure hydrocarbon at 30^(@)C are 440 mm Hg for pentane and 120 mmHg for hexane. The mole fraction of pentane in the vapour phase at 30^(@)C is