200 `cm^3` of an aqueous solution of a protein contains 1.26g of the protein . The osmotic pressure of such a solution at 300K is found to be `2.7 xx 10^-3` bar. Calculate the molar mass of the protein (R=0.083 L bar `mol^-1 K^-1`)

Osmotic pressure of a solution containing 3.5 g of dissolved protein per 50cc of a solution is 25 mm. at 37^@C . Calculate the molar mass of protein.

3.0 g of non-volatile solute when dissolve in 1 litre water, shows an osmotic pressure of 2 atmosphere at 300 K. Calculate the molar mass of the solute. (R = 0.0821 litre atm K^(-1)"mol"^(-1) ).

The density of 10% by mass of KCI solution in water is 1 . 0 6 g mL^(-1) . Calculate molarity and molality of the solution

A solution containing 10.2 g of gylcerine per litre is found to be isotonic with a 2% solution of glucose. Calculate the molar mass of glycerine (molar mass=180).

The osmotic pressure of 0.2 molar solution of urea at 27^@C (R=0.082 litre atm "mol"^(-1) K^(-1)) is

1.0 gram of a non-volatile solute was dissolved in 100 gram of acetone (molecular mass = 58) at 298 K. The vapour pressure of solution was found to be 192.5 mm of Hg. Calculate the molecular mass of solute. The vapour pressure of pure acetone at 298 K is 195 mm of Hg.

The conductivity of a solution containing 1.0 g of anhydrous BaCl_2 in 200 cm^3 of the solution has been found to be 0.0058 S cm^-1 . Calculate the molar conductivity and equivalnet conductivity of the solution.

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.

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.