Ice begins to separate at `-0.744^@C` from a solution containing 2.4 g of non-electrolyte solute in 100 g of water. Calculate the molecular weight of non-electrolyte and osmotic pressure which the solution would exert at `20^@C`?

A solution containing 2.44 g of solute dissolved in 75 g of water boiled at 100.413^@C . What will be the molar mass of the solute?

A solution of 1 . 25 g of non eletrolyute solute in 20 g of water freezes at 271 . 94 K. Calculate the molecular mass of solute. The molal depression constant for water is K_(f) = 1 . 86 K//m

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.

Calculate the molality of a solution containing 5.3 g of anhydrous Na2CO3 in 400 g water .

A solution containing 12.5 g of a non- electrolyte substance in 175 g of water gave boiling point elevation of 0.70 K. Calculate the molar mass of the substance ( K_b for water = 0.52 K kg mol^(-) ).

4.0 g of NaOH are contained in one declitre of a solution. Calculate molarity of NaOH

A solution contains non volatile solute of molecular mass M_(2) . Which of the following can be used to claculate the molecular mass of solute in terms of osmotic pressure ?

A solution sontain 8 g of a carbohydrate in 100 g of water has a density 1.025 g/mL and an osmotic pressure of 5 atm at 27^(@) C . What is the molar mass of the carbohydrate?

For a dilute solution containing 2.5 g of a non volatile non electrolyte solution in 100 g of water, the elevation in boiling point at 1 atm pressure is 2^@C . Assuming concentration of solute is much lower than the concentration of solvent, the vapour pressure (take k b = 0.76 K Kg mol^-1 )