ScienceAges 16-18

Molar concentration (c = n ÷ V)

Use c = n ÷ V to calculate the molar concentration of a solution in mol/dm³. Review suitability for your learners before teaching.

New variation Try interactive challenge Browse templates

Choose “Save as PDF” to keep a copy. Use your browser’s paper setting for A4 or Letter.

Worksheet StudioPractice pack · Ages 16-18

Molar concentration (c = n ÷ V)

Take your time. Show your thinking.

1. A solution contains 12 mol of solute dissolved in a total volume of 2 dm³. Calculate the molar concentration in mol/dm³.
n = 12 mol · V = 2 dm³
2. A solution contains 55 mol of solute dissolved in a total volume of 10 dm³. Calculate the molar concentration in mol/dm³.
n = 55 mol · V = 10 dm³
3. A solution contains 80 mol of solute dissolved in a total volume of 10 dm³. Calculate the molar concentration in mol/dm³.
n = 80 mol · V = 10 dm³
4. A solution contains 49 mol of solute dissolved in a total volume of 7 dm³. Calculate the molar concentration in mol/dm³.
n = 49 mol · V = 7 dm³
5. A solution contains 36 mol of solute dissolved in a total volume of 6 dm³. Calculate the molar concentration in mol/dm³.
n = 36 mol · V = 6 dm³
6. A solution contains 6 mol of solute dissolved in a total volume of 4 dm³. Calculate the molar concentration in mol/dm³.
n = 6 mol · V = 4 dm³
7. A solution contains 42 mol of solute dissolved in a total volume of 6 dm³. Calculate the molar concentration in mol/dm³.
n = 42 mol · V = 6 dm³
8. A solution contains 19.5 mol of solute dissolved in a total volume of 3 dm³. Calculate the molar concentration in mol/dm³.
n = 19.5 mol · V = 3 dm³
9. A solution contains 24 mol of solute dissolved in a total volume of 8 dm³. Calculate the molar concentration in mol/dm³.
n = 24 mol · V = 8 dm³
10. A solution contains 30 mol of solute dissolved in a total volume of 4 dm³. Calculate the molar concentration in mol/dm³.
n = 30 mol · V = 4 dm³
11. A solution contains 9 mol of solute dissolved in a total volume of 6 dm³. Calculate the molar concentration in mol/dm³.
n = 9 mol · V = 6 dm³
12. A solution contains 12 mol of solute dissolved in a total volume of 4 dm³. Calculate the molar concentration in mol/dm³.
n = 12 mol · V = 4 dm³

12 questions · Seed 50 · Age guidance, not curriculum certification

View the answer key

Worksheet StudioAnswer key · Ages 16-18

Molar concentration (c = n ÷ V)

Answers and reasoning. Review before teaching.

1. A solution contains 12 mol of solute dissolved in a total volume of 2 dm³. Calculate the molar concentration in mol/dm³.
6 mol/dm³
Concentration c = n ÷ V = 12 mol ÷ 2 dm³ = 6 mol/dm³.
2. A solution contains 55 mol of solute dissolved in a total volume of 10 dm³. Calculate the molar concentration in mol/dm³.
5.5 mol/dm³
Concentration c = n ÷ V = 55 mol ÷ 10 dm³ = 5.5 mol/dm³.
3. A solution contains 80 mol of solute dissolved in a total volume of 10 dm³. Calculate the molar concentration in mol/dm³.
8 mol/dm³
Concentration c = n ÷ V = 80 mol ÷ 10 dm³ = 8 mol/dm³.
4. A solution contains 49 mol of solute dissolved in a total volume of 7 dm³. Calculate the molar concentration in mol/dm³.
7 mol/dm³
Concentration c = n ÷ V = 49 mol ÷ 7 dm³ = 7 mol/dm³.
5. A solution contains 36 mol of solute dissolved in a total volume of 6 dm³. Calculate the molar concentration in mol/dm³.
6 mol/dm³
Concentration c = n ÷ V = 36 mol ÷ 6 dm³ = 6 mol/dm³.
6. A solution contains 6 mol of solute dissolved in a total volume of 4 dm³. Calculate the molar concentration in mol/dm³.
1.5 mol/dm³
Concentration c = n ÷ V = 6 mol ÷ 4 dm³ = 1.5 mol/dm³.
7. A solution contains 42 mol of solute dissolved in a total volume of 6 dm³. Calculate the molar concentration in mol/dm³.
7 mol/dm³
Concentration c = n ÷ V = 42 mol ÷ 6 dm³ = 7 mol/dm³.
8. A solution contains 19.5 mol of solute dissolved in a total volume of 3 dm³. Calculate the molar concentration in mol/dm³.
6.5 mol/dm³
Concentration c = n ÷ V = 19.5 mol ÷ 3 dm³ = 6.5 mol/dm³.
9. A solution contains 24 mol of solute dissolved in a total volume of 8 dm³. Calculate the molar concentration in mol/dm³.
3 mol/dm³
Concentration c = n ÷ V = 24 mol ÷ 8 dm³ = 3 mol/dm³.
10. A solution contains 30 mol of solute dissolved in a total volume of 4 dm³. Calculate the molar concentration in mol/dm³.
7.5 mol/dm³
Concentration c = n ÷ V = 30 mol ÷ 4 dm³ = 7.5 mol/dm³.
11. A solution contains 9 mol of solute dissolved in a total volume of 6 dm³. Calculate the molar concentration in mol/dm³.
1.5 mol/dm³
Concentration c = n ÷ V = 9 mol ÷ 6 dm³ = 1.5 mol/dm³.
12. A solution contains 12 mol of solute dissolved in a total volume of 4 dm³. Calculate the molar concentration in mol/dm³.
3 mol/dm³
Concentration c = n ÷ V = 12 mol ÷ 4 dm³ = 3 mol/dm³.

12 questions · Seed 50 · Age guidance, not curriculum certification

Worksheet StudioPractice pack · Ages 16-18

Molar concentration (c = n ÷ V)

Take your time. Show your thinking.

1. A solution contains 12 mol of solute dissolved in a total volume of 2 dm³. Calculate the molar concentration in mol/dm³.
n = 12 mol · V = 2 dm³
2. A solution contains 55 mol of solute dissolved in a total volume of 10 dm³. Calculate the molar concentration in mol/dm³.
n = 55 mol · V = 10 dm³
3. A solution contains 80 mol of solute dissolved in a total volume of 10 dm³. Calculate the molar concentration in mol/dm³.
n = 80 mol · V = 10 dm³
4. A solution contains 49 mol of solute dissolved in a total volume of 7 dm³. Calculate the molar concentration in mol/dm³.
n = 49 mol · V = 7 dm³
5. A solution contains 36 mol of solute dissolved in a total volume of 6 dm³. Calculate the molar concentration in mol/dm³.
n = 36 mol · V = 6 dm³
6. A solution contains 6 mol of solute dissolved in a total volume of 4 dm³. Calculate the molar concentration in mol/dm³.
n = 6 mol · V = 4 dm³
7. A solution contains 42 mol of solute dissolved in a total volume of 6 dm³. Calculate the molar concentration in mol/dm³.
n = 42 mol · V = 6 dm³
8. A solution contains 19.5 mol of solute dissolved in a total volume of 3 dm³. Calculate the molar concentration in mol/dm³.
n = 19.5 mol · V = 3 dm³
9. A solution contains 24 mol of solute dissolved in a total volume of 8 dm³. Calculate the molar concentration in mol/dm³.
n = 24 mol · V = 8 dm³
10. A solution contains 30 mol of solute dissolved in a total volume of 4 dm³. Calculate the molar concentration in mol/dm³.
n = 30 mol · V = 4 dm³
11. A solution contains 9 mol of solute dissolved in a total volume of 6 dm³. Calculate the molar concentration in mol/dm³.
n = 9 mol · V = 6 dm³
12. A solution contains 12 mol of solute dissolved in a total volume of 4 dm³. Calculate the molar concentration in mol/dm³.
n = 12 mol · V = 4 dm³

12 questions · Seed 50 · Age guidance, not curriculum certification

Worksheet StudioAnswer key · Ages 16-18

Molar concentration (c = n ÷ V)

Answers and reasoning. Review before teaching.

1. A solution contains 12 mol of solute dissolved in a total volume of 2 dm³. Calculate the molar concentration in mol/dm³.
6 mol/dm³
Concentration c = n ÷ V = 12 mol ÷ 2 dm³ = 6 mol/dm³.
2. A solution contains 55 mol of solute dissolved in a total volume of 10 dm³. Calculate the molar concentration in mol/dm³.
5.5 mol/dm³
Concentration c = n ÷ V = 55 mol ÷ 10 dm³ = 5.5 mol/dm³.
3. A solution contains 80 mol of solute dissolved in a total volume of 10 dm³. Calculate the molar concentration in mol/dm³.
8 mol/dm³
Concentration c = n ÷ V = 80 mol ÷ 10 dm³ = 8 mol/dm³.
4. A solution contains 49 mol of solute dissolved in a total volume of 7 dm³. Calculate the molar concentration in mol/dm³.
7 mol/dm³
Concentration c = n ÷ V = 49 mol ÷ 7 dm³ = 7 mol/dm³.
5. A solution contains 36 mol of solute dissolved in a total volume of 6 dm³. Calculate the molar concentration in mol/dm³.
6 mol/dm³
Concentration c = n ÷ V = 36 mol ÷ 6 dm³ = 6 mol/dm³.
6. A solution contains 6 mol of solute dissolved in a total volume of 4 dm³. Calculate the molar concentration in mol/dm³.
1.5 mol/dm³
Concentration c = n ÷ V = 6 mol ÷ 4 dm³ = 1.5 mol/dm³.
7. A solution contains 42 mol of solute dissolved in a total volume of 6 dm³. Calculate the molar concentration in mol/dm³.
7 mol/dm³
Concentration c = n ÷ V = 42 mol ÷ 6 dm³ = 7 mol/dm³.
8. A solution contains 19.5 mol of solute dissolved in a total volume of 3 dm³. Calculate the molar concentration in mol/dm³.
6.5 mol/dm³
Concentration c = n ÷ V = 19.5 mol ÷ 3 dm³ = 6.5 mol/dm³.
9. A solution contains 24 mol of solute dissolved in a total volume of 8 dm³. Calculate the molar concentration in mol/dm³.
3 mol/dm³
Concentration c = n ÷ V = 24 mol ÷ 8 dm³ = 3 mol/dm³.
10. A solution contains 30 mol of solute dissolved in a total volume of 4 dm³. Calculate the molar concentration in mol/dm³.
7.5 mol/dm³
Concentration c = n ÷ V = 30 mol ÷ 4 dm³ = 7.5 mol/dm³.
11. A solution contains 9 mol of solute dissolved in a total volume of 6 dm³. Calculate the molar concentration in mol/dm³.
1.5 mol/dm³
Concentration c = n ÷ V = 9 mol ÷ 6 dm³ = 1.5 mol/dm³.
12. A solution contains 12 mol of solute dissolved in a total volume of 4 dm³. Calculate the molar concentration in mol/dm³.
3 mol/dm³
Concentration c = n ÷ V = 12 mol ÷ 4 dm³ = 3 mol/dm³.

12 questions · Seed 50 · Age guidance, not curriculum certification