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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. 1. A solution contains 75 mol of solute dissolved in a total volume of 10 dm³. Calculate the molar concentration in mol/dm³.

    n = 75 mol · V = 10 dm³

  2. 2. A solution contains 24.5 mol of solute dissolved in a total volume of 7 dm³. Calculate the molar concentration in mol/dm³.

    n = 24.5 mol · V = 7 dm³

  3. 3. A solution contains 7 mol of solute dissolved in a total volume of 7 dm³. Calculate the molar concentration in mol/dm³.

    n = 7 mol · V = 7 dm³

  4. 4. A solution contains 2.5 mol of solute dissolved in a total volume of 1 dm³. Calculate the molar concentration in mol/dm³.

    n = 2.5 mol · V = 1 dm³

  5. 5. A solution contains 21 mol of solute dissolved in a total volume of 3 dm³. Calculate the molar concentration in mol/dm³.

    n = 21 mol · V = 3 dm³

  6. 6. A solution contains 21 mol of solute dissolved in a total volume of 7 dm³. Calculate the molar concentration in mol/dm³.

    n = 21 mol · V = 7 dm³

  7. 7. A solution contains 15 mol of solute dissolved in a total volume of 3 dm³. Calculate the molar concentration in mol/dm³.

    n = 15 mol · V = 3 dm³

  8. 8. A solution contains 3.5 mol of solute dissolved in a total volume of 7 dm³. Calculate the molar concentration in mol/dm³.

    n = 3.5 mol · V = 7 dm³

  9. 9. A solution contains 13.5 mol of solute dissolved in a total volume of 9 dm³. Calculate the molar concentration in mol/dm³.

    n = 13.5 mol · V = 9 dm³

  10. 10. A solution contains 4 mol of solute dissolved in a total volume of 1 dm³. Calculate the molar concentration in mol/dm³.

    n = 4 mol · V = 1 dm³

  11. 11. 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

  12. 12. A solution contains 60 mol of solute dissolved in a total volume of 10 dm³. Calculate the molar concentration in mol/dm³.

    n = 60 mol · V = 10 dm³
12 questions · Seed 104733 · 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. 1. A solution contains 75 mol of solute dissolved in a total volume of 10 dm³. Calculate the molar concentration in mol/dm³.

    7.5 mol/dm³

    Concentration c = n ÷ V = 75 mol ÷ 10 dm³ = 7.5 mol/dm³.

  2. 2. A solution contains 24.5 mol of solute dissolved in a total volume of 7 dm³. Calculate the molar concentration in mol/dm³.

    3.5 mol/dm³

    Concentration c = n ÷ V = 24.5 mol ÷ 7 dm³ = 3.5 mol/dm³.

  3. 3. A solution contains 7 mol of solute dissolved in a total volume of 7 dm³. Calculate the molar concentration in mol/dm³.

    1 mol/dm³

    Concentration c = n ÷ V = 7 mol ÷ 7 dm³ = 1 mol/dm³.

  4. 4. A solution contains 2.5 mol of solute dissolved in a total volume of 1 dm³. Calculate the molar concentration in mol/dm³.

    2.5 mol/dm³

    Concentration c = n ÷ V = 2.5 mol ÷ 1 dm³ = 2.5 mol/dm³.

  5. 5. A solution contains 21 mol of solute dissolved in a total volume of 3 dm³. Calculate the molar concentration in mol/dm³.

    7 mol/dm³

    Concentration c = n ÷ V = 21 mol ÷ 3 dm³ = 7 mol/dm³.

  6. 6. A solution contains 21 mol of solute dissolved in a total volume of 7 dm³. Calculate the molar concentration in mol/dm³.

    3 mol/dm³

    Concentration c = n ÷ V = 21 mol ÷ 7 dm³ = 3 mol/dm³.

  7. 7. A solution contains 15 mol of solute dissolved in a total volume of 3 dm³. Calculate the molar concentration in mol/dm³.

    5 mol/dm³

    Concentration c = n ÷ V = 15 mol ÷ 3 dm³ = 5 mol/dm³.

  8. 8. A solution contains 3.5 mol of solute dissolved in a total volume of 7 dm³. Calculate the molar concentration in mol/dm³.

    0.5 mol/dm³

    Concentration c = n ÷ V = 3.5 mol ÷ 7 dm³ = 0.5 mol/dm³.

  9. 9. A solution contains 13.5 mol of solute dissolved in a total volume of 9 dm³. Calculate the molar concentration in mol/dm³.

    1.5 mol/dm³

    Concentration c = n ÷ V = 13.5 mol ÷ 9 dm³ = 1.5 mol/dm³.

  10. 10. A solution contains 4 mol of solute dissolved in a total volume of 1 dm³. Calculate the molar concentration in mol/dm³.

    4 mol/dm³

    Concentration c = n ÷ V = 4 mol ÷ 1 dm³ = 4 mol/dm³.

  11. 11. 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.

  12. 12. A solution contains 60 mol of solute dissolved in a total volume of 10 dm³. Calculate the molar concentration in mol/dm³.

    6 mol/dm³

    Concentration c = n ÷ V = 60 mol ÷ 10 dm³ = 6 mol/dm³.

12 questions · Seed 104733 · Age guidance, not curriculum certification
Worksheet StudioPractice pack · Ages 16-18

Molar concentration (c = n ÷ V)

Take your time. Show your thinking.

  1. 1. A solution contains 75 mol of solute dissolved in a total volume of 10 dm³. Calculate the molar concentration in mol/dm³.

    n = 75 mol · V = 10 dm³

  2. 2. A solution contains 24.5 mol of solute dissolved in a total volume of 7 dm³. Calculate the molar concentration in mol/dm³.

    n = 24.5 mol · V = 7 dm³

  3. 3. A solution contains 7 mol of solute dissolved in a total volume of 7 dm³. Calculate the molar concentration in mol/dm³.

    n = 7 mol · V = 7 dm³

  4. 4. A solution contains 2.5 mol of solute dissolved in a total volume of 1 dm³. Calculate the molar concentration in mol/dm³.

    n = 2.5 mol · V = 1 dm³

  5. 5. A solution contains 21 mol of solute dissolved in a total volume of 3 dm³. Calculate the molar concentration in mol/dm³.

    n = 21 mol · V = 3 dm³

  6. 6. A solution contains 21 mol of solute dissolved in a total volume of 7 dm³. Calculate the molar concentration in mol/dm³.

    n = 21 mol · V = 7 dm³

  7. 7. A solution contains 15 mol of solute dissolved in a total volume of 3 dm³. Calculate the molar concentration in mol/dm³.

    n = 15 mol · V = 3 dm³

  8. 8. A solution contains 3.5 mol of solute dissolved in a total volume of 7 dm³. Calculate the molar concentration in mol/dm³.

    n = 3.5 mol · V = 7 dm³

  9. 9. A solution contains 13.5 mol of solute dissolved in a total volume of 9 dm³. Calculate the molar concentration in mol/dm³.

    n = 13.5 mol · V = 9 dm³

  10. 10. A solution contains 4 mol of solute dissolved in a total volume of 1 dm³. Calculate the molar concentration in mol/dm³.

    n = 4 mol · V = 1 dm³

  11. 11. 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

  12. 12. A solution contains 60 mol of solute dissolved in a total volume of 10 dm³. Calculate the molar concentration in mol/dm³.

    n = 60 mol · V = 10 dm³
12 questions · Seed 104733 · Age guidance, not curriculum certification
Worksheet StudioAnswer key · Ages 16-18

Molar concentration (c = n ÷ V)

Answers and reasoning. Review before teaching.

  1. 1. A solution contains 75 mol of solute dissolved in a total volume of 10 dm³. Calculate the molar concentration in mol/dm³.

    7.5 mol/dm³

    Concentration c = n ÷ V = 75 mol ÷ 10 dm³ = 7.5 mol/dm³.

  2. 2. A solution contains 24.5 mol of solute dissolved in a total volume of 7 dm³. Calculate the molar concentration in mol/dm³.

    3.5 mol/dm³

    Concentration c = n ÷ V = 24.5 mol ÷ 7 dm³ = 3.5 mol/dm³.

  3. 3. A solution contains 7 mol of solute dissolved in a total volume of 7 dm³. Calculate the molar concentration in mol/dm³.

    1 mol/dm³

    Concentration c = n ÷ V = 7 mol ÷ 7 dm³ = 1 mol/dm³.

  4. 4. A solution contains 2.5 mol of solute dissolved in a total volume of 1 dm³. Calculate the molar concentration in mol/dm³.

    2.5 mol/dm³

    Concentration c = n ÷ V = 2.5 mol ÷ 1 dm³ = 2.5 mol/dm³.

  5. 5. A solution contains 21 mol of solute dissolved in a total volume of 3 dm³. Calculate the molar concentration in mol/dm³.

    7 mol/dm³

    Concentration c = n ÷ V = 21 mol ÷ 3 dm³ = 7 mol/dm³.

  6. 6. A solution contains 21 mol of solute dissolved in a total volume of 7 dm³. Calculate the molar concentration in mol/dm³.

    3 mol/dm³

    Concentration c = n ÷ V = 21 mol ÷ 7 dm³ = 3 mol/dm³.

  7. 7. A solution contains 15 mol of solute dissolved in a total volume of 3 dm³. Calculate the molar concentration in mol/dm³.

    5 mol/dm³

    Concentration c = n ÷ V = 15 mol ÷ 3 dm³ = 5 mol/dm³.

  8. 8. A solution contains 3.5 mol of solute dissolved in a total volume of 7 dm³. Calculate the molar concentration in mol/dm³.

    0.5 mol/dm³

    Concentration c = n ÷ V = 3.5 mol ÷ 7 dm³ = 0.5 mol/dm³.

  9. 9. A solution contains 13.5 mol of solute dissolved in a total volume of 9 dm³. Calculate the molar concentration in mol/dm³.

    1.5 mol/dm³

    Concentration c = n ÷ V = 13.5 mol ÷ 9 dm³ = 1.5 mol/dm³.

  10. 10. A solution contains 4 mol of solute dissolved in a total volume of 1 dm³. Calculate the molar concentration in mol/dm³.

    4 mol/dm³

    Concentration c = n ÷ V = 4 mol ÷ 1 dm³ = 4 mol/dm³.

  11. 11. 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.

  12. 12. A solution contains 60 mol of solute dissolved in a total volume of 10 dm³. Calculate the molar concentration in mol/dm³.

    6 mol/dm³

    Concentration c = n ÷ V = 60 mol ÷ 10 dm³ = 6 mol/dm³.

12 questions · Seed 104733 · Age guidance, not curriculum certification