Lesson 4.3.2.2
4.3.2.2 Amounts of substances in equations (HT only) Quiz: AQA Chemistry, Unit 3
20 questions
In partnership with Revision Ninja
Lesson 4.3.2.2, Amounts of substances in equations (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.
The 20 questions
-
In Mg + 2HCl -> MgCl2 + H2, how many moles of HCl react with 1 mol of Mg?
- 4
- 1
- 0.5
- 2
-
What mass of MgCl2 forms from 24 g of Mg? (Mg = 24, MgCl2 = 95)
- 95 g
- 24 g
- 190 g
- 71 g
-
What mass of CaO forms from 100 g of CaCO3? (CaO = 56)
- 44 g
- 100 g
- 112 g
- 56 g
-
What mass of CO2 forms from 50 g of CaCO3? (CO2 = 44)
- 44 g
- 22 g
- 28 g
- 50 g
-
What mass of Fe2O3 forms from 112 g of iron in 4Fe + 3O2 -> 2Fe2O3? (Fe2O3 = 160)
- 80 g
- 320 g
- 112 g
- 160 g
-
What mass of oxygen is needed for 112 g of iron in 4Fe + 3O2 -> 2Fe2O3? (O2 = 32)
- 24 g
- 32 g
- 96 g
- 48 g
-
In the reaction Mg + 2HCl -> MgCl2 + H2, how many moles of HCl react with one mole of Mg?
- Three moles
- Half a mole
- Two moles
- One mole
-
What mass of NaOH reacts completely with 1 mol of H2SO4? (NaOH = 40)
- 20 g
- 160 g
- 40 g
- 80 g
-
2H2 + O2 -> 2H2O. What mass of water forms from 4 g of hydrogen? (H2 = 2, H2O = 18)
- 36 g
- 4 g
- 18 g
- 72 g
-
In 2H2 + O2 -> 2H2O, what mass of oxygen reacts with 4 g of hydrogen?
- 64 g
- 4 g
- 32 g
- 16 g
-
What mass of MgO forms from 6 g of magnesium in 2Mg + O2 -> 2MgO? (MgO = 40)
- 6 g
- 15 g
- 10 g
- 5 g
-
In Mg + 2HCl -> MgCl2 + H2, what mass of HCl reacts with 24 g of magnesium? (HCl = 36.5)
- 146 g
- 73 g
- 36.5 g
- 24 g
-
What mass of hydrogen forms from 10 g of magnesium in Mg + 2HCl -> MgCl2 + H2? (Mg = 24)
- 0.83 g
- 0.42 g
- 5.0 g
- 10 g
-
What mass of MgO forms from 4.8 g of magnesium in 2Mg + O2 -> 2MgO? (MgO = 40)
- 12 g
- 4.8 g
- 8 g
- 4 g
-
What mass of NaCl forms from 11.5 g of sodium in 2Na + Cl2 -> 2NaCl? (NaCl = 58.5)
- 58.5 g
- 11.5 g
- 23 g
- 29.25 g
-
What mass of NaCl forms from 40 g of NaOH in NaOH + HCl -> NaCl + H2O? (NaCl = 58.5)
- 58.5 g
- 36.5 g
- 117 g
- 40 g
-
In 2Na + Cl2 -> 2NaCl, what mass of NaCl forms from 46 g of sodium? (NaCl = 58.5)
- 23 g
- 58.5 g
- 117 g
- 46 g
-
In 2Na + Cl2 -> 2NaCl, what mass of chlorine gas reacts with 46 g of sodium? (Cl2 = 71)
- 142 g
- 46 g
- 71 g
- 35.5 g
-
What mass of Mg is needed to produce 19 g of MgCl2? (MgCl2 = 95, Mg = 24)
- 2.4 g
- 19 g
- 9.5 g
- 4.8 g
-
What value must be used alongside the mole ratio to calculate reacting masses?
- Relative formula mass
- Avogadro constant
- Percentage yield
- Atomic number
Related quizzes
- Conservation of mass and balanced chemical equations Quiz · 4.3.1.1 · 20 questions
- Relative formula mass Quiz · 4.3.1.2 · 20 questions
- Mass changes when a reactant or product is a gas Quiz · 4.3.1.3 · 20 questions
- Chemical measurements Quiz · 4.3.1.4 · 20 questions
- Moles (HT only) Quiz · 4.3.2.1 · 20 questions
- Using moles to balance equations (HT only) Quiz · 4.3.2.3 · 20 questions
- Limiting reactants (HT only) Quiz · 4.3.2.4 · 20 questions
- Concentration of solutions Quiz · 4.3.2.5 · 20 questions
- Percentage yield Quiz · 4.3.3.1 · 20 questions
- Atom economy Quiz · 4.3.3.2 · 20 questions