Brass is 

200 mL of water is added to 500mL of 0.2 M solution. What is the molarity of the dilluted solution ?

5ml of 1 N HCI, 20ml of N/2 H₂SO₄ and 30ml of N/3 HNO₃ are mixed together and the volume made to one litre. The normality of the resulting solution is

Which one of the following gases has the lowest value of the Henry's law constant ?

An aqueous solution of methanol in water has vapour pressure

What is meant by 'reverse osmosis'?

State the main advantage of molality over molarity as the unit of concentration.

In the determination of molar mass of A⁺B^- using a colligative property, what may be the value of van't Hoff factor if the solute is 50% dissociated?

How is the molality of a solution different from its molarity?

10 ml of liquid A was mixed with 10 ml of liquid B. The volume of the resulting solution was found to be 19.9 ml. What do you conclude?

Define Henry's law about solubility of a gas in a liquid.

How is osmotic pressure dependent upon number of moles of solute?

Hydrated salts are solutions of ................. in ................ .

Molality of a solution is .............. of the solute in .............. of the .................. .

What is the relation between normality and molarity of a given solution of H₂SO₄ ?

What is the sum of mole fractions of all the components in a three component system ?

Why does the molality of a solution remain unchanged with temperature?

Calculate the molality of H₂SO₄ if the density of 10% (w/w) aqueous solution of H₂SO₄ is 1.84 g cm^-3 (Molar mass of H₂SO₄ = 98g mol^-1).

What is the effect of temperature on the solubility of sodium sulphate decahyrate ?

Define Raoult's law for binary solutions.

What will be the mole fraction of water in methanol solution containing equal number of moles of water and methanol?

State Henry's law about the solubility of a gas in a liquid.

Which will have higher boiling point: 0.1MNaCl or 0.1M, BaCI₂ in water? Explain.

Why is cooking temperature in pressure cooker higher than in the open pan?

A solution of glucose (C₆ H₁₂ O₆) in water is labelled as 10% by weight. What would be the molality of the solution? [Molar mass of glucose  = 180 g mol^-1]

Define the following terms:
(i) Mole fraction
(ii) Isotonic solutions
(iii) van't Hoff factor
(iv) Ideal solution

State Raoult's law for a solution conatining volatile components. How does Roult's law become a special case of Henry's law?

1.00 g of a non-electrolyte solute dissolved in 50 g of benzene lowered the freezing point of benzene by 0.40 K. The freezing point depression constant of benzene is 5.12 K kg mol^–1. Find the molar mass of the solute.

Henry's law constant for the molality of methane in benzene at 298 K is 4.27\(\times\)10⁵ mm Hg. Calculate the solubility of methane in benzene at 298 K under 760 mm Hg.

The boiling point of a solution of urea in water is 100.13^oC. Calculate the freezing point of  solution.(K_f and K_b for water are 1.86 K kg mol^-1 and 0.52 K kg mol^-1 respectively).