The aqueous solutions containing respectively 7.5 g of urea (molar mass=60) and 42.75 g of substance X in 100 g of water freeze at the same temperatuer. Calculate the molecular weight of X.

The osmotic presure of a solution containing 9.2 g of a substance (molar mass=176) ion 302 ml of solution was found to be 4.1 atmosphere at 15.5^@C . Calculate the value of solution constant.

An aqueous solution containing 1 g of urea boils at 100.25^@C . The aqueous solution containing 3 g of glucose in the same volume will boil at

A solution is prepared by adding 5g of a substance X to 18g of water. Calculate the mass percent of solute .

A solution is prepared by dissolving 2g of substance A in 18g of water. calculate the mass percentage of solute?

The vapour pressure of water at 293K is 0.0231 bar and the vapour pressure of a solution of 108.24 g of a compound in 1000 g of water at the same temperature is 0.0228 bar. Calculate the molar mass of the solute.

The degree of dissociation of Ca(NO_3)_2 in dilute aqueous solution containing 7.0 g of the salt per 100 g of water at 100^@C is 70 percent. If the vapour pressure of water at 100^@C is 760 mm, calculate the vapour pressure of the solution.

A solution containing 2.44 g of solute dissolved in 75 g of water boiled at 100.413^@C . What will be the molar mass of the solute?

A solution containing 15g of urea (molar mass= 60gmol^-1 ) per litre of solution in water has the same osmotic pressure (isotonic) as a solution of glucose (molar mass= 180gmol^-1 ) in water. Calculate the mass of glucose presenty in one litre of its solution.

Calculate the molality of a solution containing 3g glucose dissolved in 30g of water. (molar mass of glucose = 180 )