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 is 600 mm Hg. Also find the composition of the vapure phase.

The vapour pressure of two pure liquid A and B are 5 and 10 torr respectively.Calculate the total pressure of the solution (in torr) obtained by mixing 2 moles of A and 3 moles of B.

At 40^@C , the vapour pressure of pure liquids, benzene and toluene, are 160 mm Hg and 60 mm Hg respectively. At the same temperature, the vapour pressure of an equimolar solution of the two liquids, assuming the ideal solution should be

Two liquids A and B form an ideal solution. The ratio of vapour pressures of pure liquids A and B are 3: 5. If the mole fraction of A in the liquid solution at equilibrium with vapours is 0.4, then the mole-fraction of B in the liquid is

The vapour pressure of pure liquid Ais 70 torr at 27^@C It forms an ideal solution with another liquid B. The mole fraction of B 1s 0.2 and total vapour pressure of the solution is 84 torr at 27^@C . The vapour pressure of pure liquid B at 27^@C is

Find out the height of water column which exert the same pressure at 760 mm Hg column.

The vapour pressure of a solvent is found to be 400 mm Hg at 300 K. When a certain amount of a nonvolatile solute is added to 50 mol of the solvent its vapour pressure decreases to 360 mm Hg. The amount of solute added is

P_A and P_B are the vapour pressure of pure liquid components, A and B, respectively of an ideal binary solution. If X_A represents the mole fraction of component A, the total pressure of the solution will be

At 80^@C , the vapour pressure of pure liquid 'A' is 50 mm Hg and that of pure liquid 'B' is 1000 mm Hg. If a solution of 'A and 'B' boils at 80^@C and 1 atm pressure find the amount of A'A' in the mixture in mol fraction.

The vapour pressure of an aqueous solution of sucrose at 373 K is found to be 750 mm Hg. The molality of the solution at the same temperature will be :