2.82 g of glocuse (molar mass - 180) are dissolved in 30 ml of water .Calculate molarity.

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

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 .

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 ?

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.

18g of glucose (molar mass 180gmol^-1) is present in 500cm^3 of its aqueous solution. What is the molarity of the solution? What additional data is required if the molality of the solution is also required to be calculated?

Hundred gram of Al(HNO_3)_3 (molar mass 213 gmol^-1 ) is dissolved in 1 L of water at 20^@C . The density of water at this temperature is 0.9983 gcm^-3 and the density of resulting solution is 0.9990 gcm^-3 . Calculate the molarity and molality of this solution.