Find the molecular weight of a solute when 1.2 gm of the solute is dissolved in water at `25^@C` in 37.4 mm of Hg.

What is meant by the molality of a solution. Find the molecular weight of a solute where 1.2gm of the solute is dissolved in 180g water at 25^@C shows vp of 36mm of Hg. VP of pure water at 25^@C is 37.5 mm of Hg.

Calculate the hardness of Water When 1gm FeCl_3 dissolved in 1 liter water.

Find the osmotic pressure of a solution at 27^@C when 10 gm Glucose and 6 gm urea is dissolved in 500 ml water.

Calculate the osmotic pressure of a soln in which 15 gm urea is dissolved in 250 ml water at 25^@C temperature.

The vapour pressure lowering caused by the addition of 100 g of sucrose (molecular mass = 342) to 1000 g of water, if the vapour pressure of pure water at 25^@C is 23.8 mm Hg, is

29.2% (wiW) HCI stock solution has density of 1.25 g mL^-1 . The molecular weight of HCl is 36.5 g mol^-1 . The volume (mL) of stock solution required to prepare a 200 mL solution 0.4 M HCI is

Which out of BeCl_2 and CaCl_2 would give acidic solution when dissolved in water?

Dry air was passed successively through a solution of 5 gm of solute dissolved in 80.0 gm of water and through pure water. The loss in weight of the solution was 2.5 gm and that of the pure solvent was 0.04 gm. What is the molecular weight of the solute?

A solution containing 2.5 g of a non-volatile solute in 100 gm of benzene boiled at a temperature 0.42K higher than at the pure solvent boiled. What is the molecular weight of the solute? The molal elevation constant of benzene is "2.67 K kg mol"^(-1) .

Calculate the depression of freezing point of water when 1.8 gm glucose dissolves in 250 ml water.