# Moles, concentration & volume

## Stage 1

1. Calculate the number of moles for a 3 mol/dm3 solution and a volume of 451 cm3

2. Calculate the number of moles for a 2.8 mol/dm3 solution and a volume of 175 cm3

3. Calculate the number of moles for a 1.5 mol/dm3 solution and a volume of 580 cm3

4. Calculate the number of moles in 257 cm3 of a 3.3 mol/dm3 solution

5. Calculate the number of moles for a 0.7 mol/dm3 solution and a volume of 1325 cm3

## Stage 2

6. Calculate the concentration of a solution with 3.59 moles dissolved in 1879 cm3.

7. Calculate the concentration of a solution with 1.1 moles dissolved in 673 cm3.

8. Calculate the concentration of a 1699 cm3 solution containing 4.25 moles.

9. Calculate the concentration of a 917 cm3 solution containing 4.93 moles.

10. Calculate the concentration of a solution with 0.85 moles dissolved in 370 cm3.

## Stage 3

11. Calculate the volume in cm3 of a 105.128 mol/dm3 solution containing 4.1 moles.

12. Calculate the volume in cm3 of a 1366.667 mol/dm3 solution containing 4.1 moles.

13. Calculate the volume in cm3 of a 135.714 mol/dm3 solution containing 3.8 moles.

14. Calculate the volume in cm3 of a solution containing 3.3 moles to give a 1100 mol/dm3 solution.

15. Calculate the volume in cm3 of a 86.047 mol/dm3 solution containing 3.7 moles.

1. 1.35 moles

2. 0.49 moles

3. 0.87 moles

4. 0.848 moles

5. 0.928 moles

6. 1.91 mol/dm3

7. 1.63 mol/dm3

8. 2.5 mol/dm3

9. 5.38 mol/dm3

10. 2.3 mol/dm3

11. 39 cm3

12. 3 cm3

13. 28 cm3

14. 3 cm3

15. 43 cm3