Solutions Test ...

A solution of sucrose (molar mass = 342 g/mol) is prepared by dissolving 68.4 g of it per litre of solution, what is its osmotic pressure
(R = 0.082 L atm K^-1 mol^-1) at 273 K ?

In a 0.2 molal aqueous solution of a weak acid HX, the degree of ionisation is 0.3. Taking K_f for water as 1.85, the freezing point of the solution will be nearest to

At temperature 327°C and concentration C osmotic pressure of a solution is p, the same solutions at concentration C /2 and a temperature 427°C shows osmotic pressure 2 atm, value of p will be

18 g of glucose ( C₆H₁₂O₆ ) is added to 178.2 g of water. The vapour pressure of water for this aqueous solution at 100°C is

The vapour pressure will be lowest for

Osmotic pressure of 0.4% urea solution is 1.64 atm and that of 3.42% cane sugar is 2.46 atm. When the above two solutions are mixed, the osmotic pressure of the resulting solution is

Depression in freezing point is 6 K for NaCl solution if K_f for water is 1.86 K/Kg/mol, amount of NaCl dissolved in 1 Kg water is

If a solution containing 0.072 g atom of sulphur in 100 g of a solvent ( K_f = 7.0 ) gave a freezing point depression of 0.84°C , the molecular formula of sulphur in the solution is

Equimolar solution in the same solvent have

The molar freezing point constant for water is 1.86°C/mol. If 342 g of cane sugar ( C₁₂ H₂₂ O₁₁) is dissolved in 1000 g of water , the solution will freeze at