Lesson 4.3.2.1

4.3.2.1 Moles (HT only) Quiz: AQA Chemistry, Unit 3

20 questions

Written by Revision Ninja · Last reviewed 11 October 2026

In partnership with Revision Ninja

Lesson 4.3.2.1, Moles (HT only): 20 multiple choice questions for the AQA GCSE Chemistry (8462), Unit 3: Quantitative chemistry, written with Revision Ninja.

Host it live on the board and students join with a game code on their own devices, or revise alone with Free Play. The answers are revealed in the game.

Host this setFree Play

The 20 questions

  1. What is the symbol for the unit mole?

    • mol
    • mo
    • ml
    • m

  2. What is the value of the Avogadro constant?

    • 6.02 x 10^23 per mole
    • 1.60 x 10^-19 per mole
    • 3.01 x 10^23 per mole
    • 6.02 x 10^12 per mole

  3. What is the mass of one mole of water in grams?

    • 2 g
    • 16 g
    • 36 g
    • 18 g

  4. How many moles are in 36 g of water?

    • 18 mol
    • 2 mol
    • 0.5 mol
    • 1 mol

  5. How many moles are in 88 g of carbon dioxide? (Mr = 44)

    • 44 mol
    • 2 mol
    • 0.5 mol
    • 4 mol

  6. What is the mass of 0.5 mol of NaCl? (Mr = 58.5)

    • 117 g
    • 58.5 g
    • 29.25 g
    • 14.6 g

  7. How many atoms are in one mole of carbon atoms?

    • 1 atom
    • 12 atoms
    • 6.02 x 10^22 atoms
    • 6.02 x 10^23 atoms

  8. How does the number of particles in 1 mol of carbon compare to 1 mol of carbon dioxide?

    • Depends on mass
    • Carbon dioxide is greater
    • Carbon is greater
    • They are equal

  9. How many molecules are in 0.1 mol of oxygen gas?

    • 6.02 x 10^23
    • 1.2 x 10^23
    • 6.02 x 10^22
    • 3.01 x 10^22

  10. What is the mass of 0.25 mol of calcium carbonate? (Mr = 100)

    • 100 g
    • 25 g
    • 50 g
    • 4 g

  11. How many moles are in 5.6 g of calcium oxide? (Mr = 56)

    • 1 mol
    • 0.01 mol
    • 5.6 mol
    • 0.1 mol

  12. How many oxygen atoms are in 0.5 mol of carbon dioxide?

    • 1.2 x 10^24
    • 6.02 x 10^23
    • 6.02 x 10^22
    • 3.01 x 10^23

  13. What is the mass of 2 mol of magnesium? (Mr = 24)

    • 96 g
    • 12 g
    • 48 g
    • 24 g

  14. Which contains more total moles of atoms: 1 mol of H2O or 1 mol of NaCl?

    • 1 mol of H2O
    • Neither contains atoms
    • They are equal
    • 1 mol of NaCl

  15. How many electrons are in 1 mole of electrons?

    • 1.60 x 10^-19
    • 1
    • 6.02 x 10^23
    • 6.02 x 10^22

  16. How many moles are in 12 g of magnesium? (Mr = 24)

    • 0.25 mol
    • 2 mol
    • 12 mol
    • 0.5 mol

  17. What is the mass of 3 mol of water? (Mr = 18)

    • 54 g
    • 36 g
    • 18 g
    • 6 g

  18. In grams, what is numerically equal to the relative formula mass of a substance?

    • Density at room temperature
    • Volume of gas
    • Mass of one mole
    • Total number of atoms

  19. How many ions are in 1 mol of NaCl?

    • 1.20 x 10^24 ions
    • 3.01 x 10^23 ions
    • 6.02 x 10^23 ions
    • 6.02 x 10^22 ions

  20. How many moles of water molecules are in 1.2 x 10^24 molecules?

    • 2 mol
    • 0.5 mol
    • 4 mol
    • 1 mol

All AQA Chemistry quizzes