3 g of glocuse (molar mass - 180) are dissolved in 30 g of water .Calculate the molality

2.82g of glucose (Molar mass: 180g mol^-1 ) are dissolved in 30g of water . Calculate mole fraction of glucose and water.

70 g of glucose and 40 g of NaCl are dissolved in 900 g of water, calculate the mole fraction of each component?

2.82g of glucose are dissolved in 30g of water. Calculate the molality of the solution.

What elevation in boiling point of alcohol is to be excepted when 5 g of urea (molar mass=60) are dissolved in 75 g of it? The molar elevation constant for alcohol is 1.15^@C .

A solution containing 15g of urea (molar mass= 60gmol^-1 ) per litre of solution in water has the same osmotic pressure (isotonic) as a solution of glucose (molar mass= 180gmol^-1 ) in water. Calculate the mass of glucose presenty in one litre of its solution.

100 g of liquid A (molar mass 140 g mol^(-1) was dissolved in 1000 g of liquid B (molar mass 180 g mol^(-1)) . The vapour pressure of pure liquid B was found to be 500 torr. Calculate the vapour pressure of pure liquid A and its vapour pressure in the solution if the total vapour pressure of the solution is 475 Torr.

7.45 gKCl is dissolved in 100 g of water. What will be the molality of KCl in solution.

If 1 .71 g of sugar (molar mass = 342) are dissolved in 500 cm^(3) of solution at 300 K, what will be its osmotic pressure ?