Solutions Test ...

A and B are ideal gases. The molecular weights of A and B are in the ratio of 1: 4. The pressure of a gas mixture containing equal weights of A and B is p atm. What is the partial pressure (in atm) of B in the mixture ?

In a mixture of A and B, components show negative deviation when

If the elevation in boiling point of a solution of 10 g of solute (mol. wt =100) in 100 g of water is ∆T_b , the ebullioscopic constant of water is

If the osmotic pressure of a 0.010 M aqueous solution of sucrose at 27° C is 0.25 atm, then the osmotic pressure of a 0.010 M aqueous solution of NaCl at 27° C is

A solution of 1.25 g of P in 50 g of water lower freezing point by 0.3° C. Molar mass of P is 94, K_f (water) =1.86 K kg mol^-1 . The degree of association of P in water is

Glucose is mixed in 1 litre water, the ratio of ∆T_f / K_f changed to 10^-3. The mass of glucose (C₆H₁₂O₆ ) is

The molar mass of a solute X in g mol^-1, if its 1% solution is isotonic with a 5% solution of cane sugar (molar mass = 342 g mol^-1) is

Find the boiling point of a solution of 5.00 g of napthalene (C₁₀ H₈ ) in 100 g of benzene. K_b of benzene if 2.53°c/ m the normal boiling point of benzene = 80° C.

Which among the following is a non-colligative property

45 g of ethylene glycol (C₂H₆O₂) is mixed with 600 g of water, what is depression in freezing point?