The vapour pressure of a liquid solution containing A and B is 99 torr. Calculate mole `%` of B in vapour phase.
(Given : `P_A^0` = 100 torr , `P_B^0` = 80 torr)

Two liquids A and B form an ideal solution. What is the vapour pressure of solution containing 2 moles of A and 3 moles of B at 300 K? [Given : At 300 K, vapour pressure of pure liquid A (p _A^0) = 100 torr and vapour pressure of pure liquid B (p _B^0) = 300 torr]

Two liquids A and B form an ideal solution. At 300 k, the vapour pressure of a solution containing 1 mole of A and 3 moles of B is 550 mm of Hg. At the same temperature, if one mole of B is added to this solution, the vapour pressure of the solution increases by 10 mm of Hg. Determine the vapour pressure of A and B in their pure states.

The relative lowering of vapour pressure of an aqueous solution containing a non-volatile solute is 0.0125. The molality of the solution is

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.

Calculate the vapour pressure of the solution. The molefraction of the solute is 0.25. The vapour pressure of the pure solvent is 0.8atm.

If relative decrease In vapour pressure is 0.4 for a solution containing 1 mol NaCl in 3 mol of H_2O , then % ionization of NaCl is

Two liquids A and B have vapour pressure in the ratio P_A^@:P_B^@ =2:3 at a certain temperature. Assume A and B form an ideal solution and the ratio of mole fractions of A to B in the vapour phase in 1:3,then the mole fraction of A in the solution at the same temperature is :

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

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