1.26 gm of a protine dissolved in 200 cc aqueous solution shows an osmotic pressure of `2.57xx10^-3` bar at 300K. Calculate the molecular weight of the protine.

0.387 gm of a biopolymer when dissolved in 100 ml water at 27^@C shows an osmotic pressure of 4.2 atm find the molecular weight of the biopolymer.

10g of an organic substance when dissolved in two litres of water gave an osmotic pressure of 0.59 atm, at 7^(@)C . Calculate the molecular weight of the substance.

A solution containing 6 gm of a solute dissolved in 250 ml of water gave an osmotic pressure of 4.5 atmosphere at 27^(@)C . Calculate the boiling point of the solution. The molal elevation constant for water is 0.52

6gm of urea and 9gm of glucose are dissolved in 1 Litre aqueous solution. Calculate the osmotic pressure of the solution at 300K.

At 298 K, 100 cm of a solution containing 3.02 g of an unidentified solute exhibits an osmotic pressure of 2.55 atmosphere. What is the molecular mass of solute?

When 45 g of an unknown compound was dissolved in 500 g of water, the solution has freezing point of -0.93^(@)C (i) What is the molecular weight of compound ? (K_(f)=1.86) (ii) If empirical formula is CH_(2)O , what is the molecular formula of compound ?

State the factors on which osmotic pressure of a liquid depends. 10gm glycerine dissolved in 1 litre solution is isotonic with 2% Glucose solution. What is the molecular weight of Glycerine?

Dry air was passed successively through a solution of 5 gm of solute dissolved in 80.0 gm of water and through pure water. The loss in weight of the solution was 2.5 gm and that of the pure solvent was 0.04 gm. What is the molecular weight of the solute?

A solution of 2.44xx10^-3 kg of a nonelectrolyte solute dissolved in 0.075 kg of water boiled at 100.413^@C . Calculate the molecular mass of the solute. K_b for water = 0.52 K kg mol^-1