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.

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Worksheet StudioPractice pack · Ages 16-18

Molar concentration (c = n ÷ V)

Take your time. Show your thinking.

1. A solution contains 35 mol of solute dissolved in a total volume of 5 dm³. Calculate the molar concentration in mol/dm³.
n = 35 mol · V = 5 dm³
2. A solution contains 24 mol of solute dissolved in a total volume of 6 dm³. Calculate the molar concentration in mol/dm³.
n = 24 mol · V = 6 dm³
3. A solution contains 50 mol of solute dissolved in a total volume of 10 dm³. Calculate the molar concentration in mol/dm³.
n = 50 mol · V = 10 dm³
4. A solution contains 22.5 mol of solute dissolved in a total volume of 9 dm³. Calculate the molar concentration in mol/dm³.
n = 22.5 mol · V = 9 dm³
5. A solution contains 2 mol of solute dissolved in a total volume of 4 dm³. Calculate the molar concentration in mol/dm³.
n = 2 mol · V = 4 dm³
6. A solution contains 16 mol of solute dissolved in a total volume of 4 dm³. Calculate the molar concentration in mol/dm³.
n = 16 mol · V = 4 dm³
7. A solution contains 32 mol of solute dissolved in a total volume of 4 dm³. Calculate the molar concentration in mol/dm³.
n = 32 mol · V = 4 dm³
8. A solution contains 5 mol of solute dissolved in a total volume of 10 dm³. Calculate the molar concentration in mol/dm³.
n = 5 mol · V = 10 dm³
9. 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
10. A solution contains 16.5 mol of solute dissolved in a total volume of 3 dm³. Calculate the molar concentration in mol/dm³.
n = 16.5 mol · V = 3 dm³
11. A solution contains 3 mol of solute dissolved in a total volume of 3 dm³. Calculate the molar concentration in mol/dm³.
n = 3 mol · V = 3 dm³
12. A solution contains 67.5 mol of solute dissolved in a total volume of 9 dm³. Calculate the molar concentration in mol/dm³.
n = 67.5 mol · V = 9 dm³

12 questions · Seed 46 · 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 35 mol of solute dissolved in a total volume of 5 dm³. Calculate the molar concentration in mol/dm³.
7 mol/dm³
Concentration c = n ÷ V = 35 mol ÷ 5 dm³ = 7 mol/dm³.
2. A solution contains 24 mol of solute dissolved in a total volume of 6 dm³. Calculate the molar concentration in mol/dm³.
4 mol/dm³
Concentration c = n ÷ V = 24 mol ÷ 6 dm³ = 4 mol/dm³.
3. A solution contains 50 mol of solute dissolved in a total volume of 10 dm³. Calculate the molar concentration in mol/dm³.
5 mol/dm³
Concentration c = n ÷ V = 50 mol ÷ 10 dm³ = 5 mol/dm³.
4. A solution contains 22.5 mol of solute dissolved in a total volume of 9 dm³. Calculate the molar concentration in mol/dm³.
2.5 mol/dm³
Concentration c = n ÷ V = 22.5 mol ÷ 9 dm³ = 2.5 mol/dm³.
5. A solution contains 2 mol of solute dissolved in a total volume of 4 dm³. Calculate the molar concentration in mol/dm³.
0.5 mol/dm³
Concentration c = n ÷ V = 2 mol ÷ 4 dm³ = 0.5 mol/dm³.
6. A solution contains 16 mol of solute dissolved in a total volume of 4 dm³. Calculate the molar concentration in mol/dm³.
4 mol/dm³
Concentration c = n ÷ V = 16 mol ÷ 4 dm³ = 4 mol/dm³.
7. A solution contains 32 mol of solute dissolved in a total volume of 4 dm³. Calculate the molar concentration in mol/dm³.
8 mol/dm³
Concentration c = n ÷ V = 32 mol ÷ 4 dm³ = 8 mol/dm³.
8. A solution contains 5 mol of solute dissolved in a total volume of 10 dm³. Calculate the molar concentration in mol/dm³.
0.5 mol/dm³
Concentration c = n ÷ V = 5 mol ÷ 10 dm³ = 0.5 mol/dm³.
9. 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.
10. A solution contains 16.5 mol of solute dissolved in a total volume of 3 dm³. Calculate the molar concentration in mol/dm³.
5.5 mol/dm³
Concentration c = n ÷ V = 16.5 mol ÷ 3 dm³ = 5.5 mol/dm³.
11. A solution contains 3 mol of solute dissolved in a total volume of 3 dm³. Calculate the molar concentration in mol/dm³.
1 mol/dm³
Concentration c = n ÷ V = 3 mol ÷ 3 dm³ = 1 mol/dm³.
12. A solution contains 67.5 mol of solute dissolved in a total volume of 9 dm³. Calculate the molar concentration in mol/dm³.
7.5 mol/dm³
Concentration c = n ÷ V = 67.5 mol ÷ 9 dm³ = 7.5 mol/dm³.

12 questions · Seed 46 · 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 35 mol of solute dissolved in a total volume of 5 dm³. Calculate the molar concentration in mol/dm³.
n = 35 mol · V = 5 dm³
2. A solution contains 24 mol of solute dissolved in a total volume of 6 dm³. Calculate the molar concentration in mol/dm³.
n = 24 mol · V = 6 dm³
3. A solution contains 50 mol of solute dissolved in a total volume of 10 dm³. Calculate the molar concentration in mol/dm³.
n = 50 mol · V = 10 dm³
4. A solution contains 22.5 mol of solute dissolved in a total volume of 9 dm³. Calculate the molar concentration in mol/dm³.
n = 22.5 mol · V = 9 dm³
5. A solution contains 2 mol of solute dissolved in a total volume of 4 dm³. Calculate the molar concentration in mol/dm³.
n = 2 mol · V = 4 dm³
6. A solution contains 16 mol of solute dissolved in a total volume of 4 dm³. Calculate the molar concentration in mol/dm³.
n = 16 mol · V = 4 dm³
7. A solution contains 32 mol of solute dissolved in a total volume of 4 dm³. Calculate the molar concentration in mol/dm³.
n = 32 mol · V = 4 dm³
8. A solution contains 5 mol of solute dissolved in a total volume of 10 dm³. Calculate the molar concentration in mol/dm³.
n = 5 mol · V = 10 dm³
9. 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
10. A solution contains 16.5 mol of solute dissolved in a total volume of 3 dm³. Calculate the molar concentration in mol/dm³.
n = 16.5 mol · V = 3 dm³
11. A solution contains 3 mol of solute dissolved in a total volume of 3 dm³. Calculate the molar concentration in mol/dm³.
n = 3 mol · V = 3 dm³
12. A solution contains 67.5 mol of solute dissolved in a total volume of 9 dm³. Calculate the molar concentration in mol/dm³.
n = 67.5 mol · V = 9 dm³

12 questions · Seed 46 · 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 35 mol of solute dissolved in a total volume of 5 dm³. Calculate the molar concentration in mol/dm³.
7 mol/dm³
Concentration c = n ÷ V = 35 mol ÷ 5 dm³ = 7 mol/dm³.
2. A solution contains 24 mol of solute dissolved in a total volume of 6 dm³. Calculate the molar concentration in mol/dm³.
4 mol/dm³
Concentration c = n ÷ V = 24 mol ÷ 6 dm³ = 4 mol/dm³.
3. A solution contains 50 mol of solute dissolved in a total volume of 10 dm³. Calculate the molar concentration in mol/dm³.
5 mol/dm³
Concentration c = n ÷ V = 50 mol ÷ 10 dm³ = 5 mol/dm³.
4. A solution contains 22.5 mol of solute dissolved in a total volume of 9 dm³. Calculate the molar concentration in mol/dm³.
2.5 mol/dm³
Concentration c = n ÷ V = 22.5 mol ÷ 9 dm³ = 2.5 mol/dm³.
5. A solution contains 2 mol of solute dissolved in a total volume of 4 dm³. Calculate the molar concentration in mol/dm³.
0.5 mol/dm³
Concentration c = n ÷ V = 2 mol ÷ 4 dm³ = 0.5 mol/dm³.
6. A solution contains 16 mol of solute dissolved in a total volume of 4 dm³. Calculate the molar concentration in mol/dm³.
4 mol/dm³
Concentration c = n ÷ V = 16 mol ÷ 4 dm³ = 4 mol/dm³.
7. A solution contains 32 mol of solute dissolved in a total volume of 4 dm³. Calculate the molar concentration in mol/dm³.
8 mol/dm³
Concentration c = n ÷ V = 32 mol ÷ 4 dm³ = 8 mol/dm³.
8. A solution contains 5 mol of solute dissolved in a total volume of 10 dm³. Calculate the molar concentration in mol/dm³.
0.5 mol/dm³
Concentration c = n ÷ V = 5 mol ÷ 10 dm³ = 0.5 mol/dm³.
9. 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.
10. A solution contains 16.5 mol of solute dissolved in a total volume of 3 dm³. Calculate the molar concentration in mol/dm³.
5.5 mol/dm³
Concentration c = n ÷ V = 16.5 mol ÷ 3 dm³ = 5.5 mol/dm³.
11. A solution contains 3 mol of solute dissolved in a total volume of 3 dm³. Calculate the molar concentration in mol/dm³.
1 mol/dm³
Concentration c = n ÷ V = 3 mol ÷ 3 dm³ = 1 mol/dm³.
12. A solution contains 67.5 mol of solute dissolved in a total volume of 9 dm³. Calculate the molar concentration in mol/dm³.
7.5 mol/dm³
Concentration c = n ÷ V = 67.5 mol ÷ 9 dm³ = 7.5 mol/dm³.

12 questions · Seed 46 · Age guidance, not curriculum certification