Determine the osmotic pressure of a solution prepared by dissolving 25 mg of `K_2SO_4` in 2 litres of water at `25^@C`, assuming that it is completely dissociated.

What is the molar mass of a solute of a solution prepared by dissolving 0.196 g of it in 3 dm^3 of water has an osmotic pressure 0.196 atm at 300 K?

What is the molar mass of a solute if a solution prepared by dissolving 0.822g of it in 300 mdm3 of water has an osmotic pressure of 149 mm Hg at 298 K?

Vapour pressure of chloroform (CHCI_3) and dichloromethane (CH_2CI_2) at 298 K are 200 mm Hg and 415 mm Hg respectively, (i) Calculate the vapour pressure of the solution prepared by mixing 25.5 g of CHCI_3 and 40 g of CH_2CI_2 at 298 K and (ii) mole fractions of each component in vapour phase.

The osmotic pressure of a solution at 276 K is 2.5 atm . Its osmotic pressure at 546 K under similar conditions will be ____.

Osmotic pressure of a sugar solutions at 24^(@) C is 2.5 atm . The concentration of the solution in mole per litre is _____.

A solution is obtained by dissolving 12g of urea(mol.wt.60)in a litre of water.Another solution is obtained by dissolving 68.4g of cane sugar (mol.wt.342) in a litre of water at are the same temperature .The lowering of vapour pressure in the first solution is

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?

The molar mass (M_(2)) of W_(2) solute and the osmotic pressure (pi) of the solution prepared in V litres by the solute at temperature T has the following relationship ______.