1

The Mole Concept

2

Question 1 - Mass of One Mole

3

Question 2 - Mass of moles

4

Reacting Masses **

5

Question 1 - Mass of Magnesium Oxide

6

Question 2 - Mass of Cooper (II) Sulfate

7

Question 3 - Number of Moles & Mass of Barium Oxide

8

Question 4 – Number of Moles of Oxygen Molecules

9

Question 5 – Volumes of Oxygen

10

Reacting Volumes **

11

Question 1 – Volume of Oxygen Needed

12

Question 2 – Volume of Oxygen Needed

13

Question 3 – Volume of Sulfur Trioxide Formed

14

Question 4 - Volume of Carbon Dioxide Produced

15

Question 5 - Mass of Aluminium Used

16

Concentration of Solutions and Number of Moles **

17

Question 1 - Concentration of Solutions

18

Question 2 - Mass of Solute Needed

19

Question 3 - Concentration of Acid

20

Percentage of Yield

21

Question 1 – Percentage of Yield

22

Question 2 – Percentage of Yield

23

Question 3 – Percentage of Yield

24

Percentage of Purity

25

Question 1 – Percentage Purity of Calcium Carbonate

26

Question 2 – Percentage Purity of Sodium Hydrogencarbonate

27

Question 3 – Limiting Reagent

28

Empirical Formula

29

Determine the Empirical Formula

30

Question 1 - Determine The Empirical Formula

31

Question 2 - Empirical Formula of Calcium Carbonate

32

Question 3 - Empirical Formula of Aluminium Oxide

33

Question 4 - Empirical Formula of Compound

34

Question 5 - Molecular Formula of Hydrocarbon

35

Question 6 - Calculate The Empirical Formula