The vapour pressure of `2.1%` solution of a non-electrolyte in water at `100^@C` is 755 mm Hg. Calculate the molar mass of the solute.` (58.69 g mol^(-1)`

The vapour pressure of a solution containing 13xx10^(-3) kg of solute in 0.1 kg of water at 298 K is 27.371 mm Hg. Calculate the molar mass of the solute. given that the vapour pressure of water at 298k is 28.065 mm hg

A solutions is prepared by dissolving 394 g of a nonvolatile solute in 622 g of water. The vapour pressure of solution is found to be 30.74 mm Hg at 30^@C . If vapour pressure of water at 30^@C is 31.8mm Hg, what is the molar mass of solute?

In an experiment, 18.04 g of mannitol were dissolved in 100 g of water. The vapour pressure of water was lowered by 0.309 mm Hg from 17.535 mm Hg. Calculate the molar mass of mannitol.

The vapour pressure of a dilute aqueous solution of glucose is 750 mm Hg at solution of glucose is 750 mm Hg at 373 K. The mole fraction of the solute is ______.

In an experiment ,1 g of a non-volatile solute was disslved in 100 g of acetone ( molarcular mass = 58 ) at 298 K . The vapour pressure of the solution was found to be 192.5 mm Hg .The molecular weight of the solute is _________ g mol ^(-1) ( vapour pressure of acetone = 195 mm Hg )

The vapour pressure of water at 20^@ is 17mm, Hg. Calculate the vapour pressure of a solution containing 2.8 g of urea (NH_2CONH_2) in 50 g of water.

At 100^(@)C the vapour pressure of a solution of 6.5g of an solute in 100g water is 732mm .If K_(b)=0.52 , the boiling point of this solution will be :

The vapour pressure of benzene at 80^@C is lowered by 10 mm by dissolving 2g of a non- volatile substance in 78 g of benzene . The vapour pressure of pure benzene at 80^(@)C is 750 mm . The molecular mass of the substance will be _______ g mol ^(-1) ?

IF 10 g of solute was dissolved in 250 mL. of water and osmotic pressure of the solution was found to be 600 mm of Hg at 300 K, then molecular weight of the solute is _______. g mol ^(-1)