3.4 g of `CaCl_2` is dissolved in 2.5 L of water at 300 K. What is the osmotic pressure of the solution? van't Hoff factor for `CaCl_2` is 2.47. (Ca = 40, Cl =35.5)

IF 10 g of solute was dissolved in 250 mL. of water and osmotic pressure of the solution was found to be 600 mm of Hg at 300 K, then molecular weight of the solute is _______. g mol ^(-1)

If 3 g of glucose ( molecular mas = 180 ) is dissolved in 60 mL water at 15^(@)C , then the osmotic pressure of this solution will be (R=0.0821 L atm K^(-1) mol ^(1)) _____.

The vapour pressure of water at 20^@C is 17 mm Hg. What is the vapour pressure of solution containing 2.8 g urea in 50 g of water?

A 0.1m solution of K_2SO_4 in water has freezing point of -4.3^@C . What is the value of van't Hoff factor if Kf for water is 1.86 K kgmol^(-1) .

200 cm3 of an aqueous solution of a protein contain1.26g of the prote in.The osmotic pressure of such a solution at 300 K is found to be 2.57 xx 10^(-3) bar. Calculate the molarimass of-the protein.

If 1.71g of sugar (molarmass = 342) are dissolved in 500 cm3 of a solution at 300K, what will be its osmotic pressure? (R = 0.082 L bar K^(-1) mol^(-1)) .

3.795 g of sulphur is dissolved in 100 g of carbon disulfide. This solution boils at 319.81K. What is the molecular formula of sulphure in solution? The boiling point of the solvent is 319.45K. (Given that Kb for CS2 = 2.42 K kg mol(-1) and atomic mass of S = 32)

The osmotic pressure of CaCl2 and urea solutions of the same concentration at the same temperature are respectively 0.605 atmand 0.245 aim. Calculate van't Hoff factor for CaCl_2 .

Which of the following compounds corresponds van't Hoff factor 'i' to be equal to 2 for dilute solution ?

0.2m aqueous solution of KCI freezes at -0.680^@C . Calcuate van't Hoff factor and osmotic pressure of solution at 0^@C . (K_f=1.86 K kg mol^(-1) .