Concentration of a Solution

Q.

The concentration of a solution is the amount of __________ present per unit volume of the solution.

1. unsaturated solution

2. solute

3. solvent

4. solution

Q. A solution is prepared by mixing 25g common salt in 125g of water . Determine the concentration of solution in m/m% .

Q.

A solution contains $x$ ml of ethyl alcohol mixed with 100ml of water. The concentration of the solution is 28.6% in terms of volume by volume percentage. Find $x$.

1. 50ml

2. 40ml

3. 30ml

4. 20ml

Q. 20 mL of acetic acid is present in 250 mL of vinegar. Find the volume by volume percentage of the solution.

1. 8

Q.

A solution contains 'X' ml of ethyl alcohol mixed with 100ml of water. The concentration of the solution is 28.6% in terms of volume by volume percentage. Find X.

1. 50ml
2. 40ml
3. 30ml
4. 20ml

Q.

A solution contains $x$ ml of ethyl alcohol mixed with 100 ml of water. The concentration of the solution is 28.6% in terms of volume by volume percentage. Find $x$.

1. 20 ml

2. 28.6 ml

3. 30 ml

4. 40 ml

Q.

A solution is prepared by dissolving 28g of sugar in 172g of water Calculate the mass percentage of solute.

1. 14%

2. 43%

3. 28%

4. 86%

Q. Explain the calculation of concentration.

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?

1. 25

Q. A solution contains 50 g of sugar in 450 g of water. Calculate the concentration in terms of mass by mass percentage of the solution.

Q. The concentration of a solution is the amount of __________ present per unit volume of the solution.

1. unsaturated solution
2. solute
3. solution
4. solvent

Q.

A solution is prepared by dissolving 50g of glucose in 400g of water . calculate concentration of the solution.

Q.

A solution contains 50 g of common salt in 400 g of water. Calculate the concentration by mass percentage of the solution.

1. 12

2. 11.11

3. 11

4. 12.11

Q. The concentration of a solution is the amount of per volume of the solution.

1. solvent
2. solute
3. solution

Q. A teacher instructed three students 'A'. 'B' and 'C' respectively to prepare a 50% (mass by volume) solution of sodium hydroxide (NaOH).
'A' dissolved 50 g of NaOH in 100 mL of water.
'B' dissolved 50 g of NaOH in 100 g of water.
'C' dissolved 50 g of NaOH in 50 g of water to prepare the solution.
Which one of them has made the desired solution and why?

Q. The amount of solute present in a given amount of solution represents:

1. dispersion
2. concentration
3. saturation
4. absorption

Q. What is the mass% of solute when 100 g of solution contains 30 g of solute?

1. 100
2. 70
3. 40
4. 30

Q. Give definitions : Concentration of a solution.

Q. The concentration of a solution in terms of mass by mass is 10.71% (W/W). Calculate the mass of solute present in 250g of the solvent (water).​

Q. 25% m/m for a 100 g solution means that the mass of solute dissolved in the solution is 50 g.

1. True
2. False

Q. The simplest way to describe the concentration of solution is :
I) mass by mass
II) mass by volume
III) volume by pressure

1. I, II
2. II, III
3. I, II, III
4. I, III

Q. What is concentration of a solution? (Formula)

Q. A solution is prepared by dissolving 10 g of salt in 100 g of water. Calculate the mass percentage of the solution.

1. 9.09

Q.

A solution contains y ml of acetone in 150ml of solution. The concentration of the solution is $25\%$ in terms of volume by volume percentage. Find y.

1. 50

2. 40

3. 30

4. 20

Q. A solution is prepared by dissolving 10 g of salt in 100 g of water. Calculate the mass by mass percentage of the solution.

1. 9.09

Q. Does "mass by mass percentage of a solution" mean the same as "the concentration percentage of a solution"?? If not then what does it actually mean?

Q. Peeyush has prepared a solution which contains 30 g of sugar dissolved in 300 g of water. What will be the concentration of the solution in terms of mass by mass percentage prepared by him?

Q. A solution have mass $250gm$ and concentration $10$%. Find amount of the mass of solute present in a solution.

Q.

A solution is made by dissolving 40 g of sodium chloride in 250 g of water. Calculate the concentration of the solution in mass percentage

Q.

A solution is made by dissolving 50 g of glucose in 250 g of water . Calculate the concentration of this solution in mass percentage