# Ways of Representing the Concentration of a Solution

## Trending Questions

**Q.**Question 9

Which of the following will show “Tyndall effect”?

a. Salt solution

b. Milk

c. Copper sulphate solution

d. Starch solution

**Q.**

To make a saturated solution, 36 g of sodium chloride is dissolved in 100 g of water at 293K. Find its concentration at the temperature.

**Q.**Calculate the concentration in terms of mass by volume percentage of the solution containing, 3 g of potassium chloride in 75 ml of potassium chloride (KCl) solution.

- 4 %
- 6 %
- 8 %
- 20 %

**Q.**

The mole fraction of component A in the vapour phase is x1 and mole fraction of component A in liquid mixture is x2(P0A= vapour pressure of pure A; P0B = vapour pressure of pure B).

(P∘Ax2)x1

P∘Ax1x2

P∘Ax1x2

P∘Bx2x1

**Q.**

Calculate the concentration of a solution which contains 2.5 g of salt dissolved in 50 g of water.

**Q.**

What is ${}^{6}C_{4}$ combination?

**Q.**

The molarity of NaNO3 is1 M. The density of solution is 1.25g/ml. Calculate molality of solution. Molar mass of NaNO3= 85g

**Q.**

What are non-aqueous solutions? Explain with example.

**Q.**80 ml of a solution contains 20 g of solute. What is the concentration of this solution in terms of mass by volume percentage of the solution?

- 25%
- 50%
- 100%
- 400%

**Q.**Definition of concentrated solution

**Q.**

What is dilute solution?

**Q.**

What do you mean by the strength of a solution?

**Q.**

The boiling point of water at 735 torr is 99.07°C. The mass of NaCl added in 100g water to make its boiling point 100°C is?(k=0.51 k kg/mol)

**Q.**

To make a saturated solution , 36 g of sodium chloride is dissolved in 100g of water at 293 K. Find its concentration at this temperature

**Q.**

To make a saturated solution, 36 gm of sodium chloride is dissolved in 100 gm of water at 293 K. Find its concentration at this temperature.

**Q.**

A solution containing 30 grams of sugar dissolved in 370 grams of water. Calculate the concentration of the solution.

**Q.**

What is the concentration of a solution which contains 16 g of urea in 120 g of solution?

**Q.**

A solution made by dissolving 50gm of glucose in 250gm of water. Calculate the concentration of this solution in mass?

**Q.**

Calculate the mass of sodium sulphate required to prepare its 20% (mass %) solution in hundred grams of water

**Q.**

Define volume percent of a solution.

**Q.**

A 5 per cent sugar solution means that :

(a) 5 g of sugar is dissolved in 99 g of water.

(b) 5 g of sugar is dissolved in 100 g of water.

Choose the correct answer.

**Q.**The molarity of sulphuric acid solution is 0.2 mol/kg. Calculate the weight of the solution

**Q.**A molecule M associates in a given solvent according to the equation M=(M)n. For a certain concentration of M , the vont hoff factor was found to be 0.9 and the fraction of associated molecules was 0.2 . The value of n is

**Q.**

How much water should be mixed with 12 ml of alcohol so as to obtain 12% alcohol solution?

**Q.**Mole fraction of ethanol and water mixture is 0.25 . Hence percentage concentration of ethanol by weight of mixture is........

**Q.**

The solubility of ammonium chloride in water at various temperatures is given below :

Temperature : 10∘C 20∘C 40∘C 60∘C 80∘C

Solubility : 24 g 37 g 41 g 55 g 66 g

What mass of ammonium chloride would be needed to make a saturated solution of ammonium chloride in fifty grams of water at 40∘C ?

**Q.**

What volume of ethyl alcohol and water must be mixed together to prepare 250 ml of 60% by volume of alcohol in water

**Q.**

How much water should be added to 15g of salt to obtain 15%salt solution?

**Q.**

A Solution is prepared by dissolving 5 g of urea in 95 g of water . What is mass by mass percentage of urea in the solution ?

**Q.**

The molarity of HNO_{3} in a sample which has density 1.4 g/mL and mass percentage of 63% is :(Molecular weight of HNO_{3}= 63).