Calculate the vapour pressure of a solution containing 10gm of non-volatile solute in 80gm of ethanol of at 298K [The vapour pressure of pure ethanol at 298K is 22.45 mm and Molecular weight of solute is 120]

The vapour pressure of a solution containing non volatile solute is less than the vapour pressure of pure of solvent. Give reason.

Calculate the vapour pressure , if 0.083 mole of a non-volatile solute is present in 80 g of ethanol at 25^@C , Vapour pressure of ethanol is 22.45 mm.

Calculate the vapour pressure of a solution containing 9g of glucose in 162g of water at 293K. The vapour pressure of water of 293K is 17.535mm Hg.

At 50^@C the vapour pressure of H_2O is 92mm Hg. The vapour pressure of a solution containing 18.1g of non volatile solute in 100ml H_2O at the same temperature is 87mm Hg. Find the molecular weight of the solute.

The vapour pressure of H_2O at 20^@C is 17.54 mm of Hg. If the vapour pressure of solution containig 108.24 gm of non volatile solute in 1000 gm of H_2O at 20^@ is 17.354 mm of Hg. Find the moleculer weight of solute.

At 20^@C , the vapour pressure of diethyl ether is 442mm. When 6.4g. of a non-volatile solute is dissolved in 50g. of ether, the vapour pressure falls to 410mm. The Molecular weight of the solute is

What happens to the vapour pressure of a liquid when a non-volatile solute is dissolved in it ?

6 g. of a non volatile solute is dissolved in 90g. of water, such that the lowering in vapour pressure is 2%. The molecular weight of the solute is

The vapour pressure of 4% solution of a non-volatile solute in water at 100^@C is 745 mm. What is the molecular weight of solute?