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Dilution calculations (c₁V₁ = c₂V₂)

12th grade (Year 13 in England) · 16 questions · Common Core: NGSS.HS-PS1-7 · England: A level Chemistry: Amount of substance (extension)

Name

Date

Score/ 16

  1. Question 1

    20 cm³ of a solution is diluted 2 times (its concentration becomes 1/2 of the original). How much water must be added, in cm³?

    Answercm³

  2. Question 2

    What volume of 2 mol/dm³ stock solution is needed to make 500 cm³ of 0.5 mol/dm³ solution, in cm³?

    Answercm³

  3. Question 3

    25 cm³ of 5 mol/dm³ acid is diluted with water to a total volume of 125 cm³. What is the new concentration, in mol/dm³?

    Answermol/dm³

  4. Question 4

    50 cm³ of a solution is diluted 10 times (its concentration becomes 1/10 of the original). How much water must be added, in cm³?

    Answercm³

  5. Question 5

    What volume of 1 mol/dm³ stock solution is needed to make 200 cm³ of 0.25 mol/dm³ solution, in cm³?

    Answercm³

  6. Question 6

    25 cm³ of 1 mol/dm³ acid is diluted with water to a total volume of 250 cm³. What is the new concentration, in mol/dm³?

    Answermol/dm³

  7. Question 7

    50 cm³ of a solution is diluted 10 times (its concentration becomes 1/10 of the original). How much water must be added, in cm³?

    Answercm³

  8. Question 8

    What volume of 5 mol/dm³ stock solution is needed to make 100 cm³ of 0.5 mol/dm³ solution, in cm³?

    Answercm³

  9. Question 9

    25 cm³ of 2 mol/dm³ acid is diluted with water to a total volume of 50 cm³. What is the new concentration, in mol/dm³?

    Answermol/dm³

  10. Question 10

    10 cm³ of a solution is diluted 20 times (its concentration becomes 1/20 of the original). How much water must be added, in cm³?

    Answercm³

  11. Question 11

    What volume of 5 mol/dm³ stock solution is needed to make 500 cm³ of 0.1 mol/dm³ solution, in cm³?

    Answercm³

  12. Question 12

    25 cm³ of 1 mol/dm³ acid is diluted with water to a total volume of 250 cm³. What is the new concentration, in mol/dm³?

    Answermol/dm³

  13. Question 13

    10 cm³ of a solution is diluted 2 times (its concentration becomes 1/2 of the original). How much water must be added, in cm³?

    Answercm³

  14. Question 14

    What volume of 1 mol/dm³ stock solution is needed to make 200 cm³ of 0.2 mol/dm³ solution, in cm³?

    Answercm³

  15. Question 15

    50 cm³ of 2 mol/dm³ acid is diluted with water to a total volume of 500 cm³. What is the new concentration, in mol/dm³?

    Answermol/dm³

  16. Question 16

    25 cm³ of a solution is diluted 5 times (its concentration becomes 1/5 of the original). How much water must be added, in cm³?

    Answercm³

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Answer key: Dilution calculations (c₁V₁ = c₂V₂)

  1. 1. 20 cm³

  2. 2. 125 cm³

  3. 3. 1 mol/dm³

  4. 4. 450 cm³

  5. 5. 50 cm³

  6. 6. 0.1 mol/dm³

  7. 7. 450 cm³

  8. 8. 10 cm³

  9. 9. 1 mol/dm³

  10. 10. 190 cm³

  11. 11. 10 cm³

  12. 12. 0.1 mol/dm³

  13. 13. 10 cm³

  14. 14. 40 cm³

  15. 15. 0.2 mol/dm³

  16. 16. 100 cm³