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GCE in Chemistry MFE Student WB.pdf


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Contents

Introduction

1

Section 1: Atoms

2

Exercise 1: Calculation of the Molar Mass of compounds

Section 2: Chemical formulae
Exercise 2: Writing formulae from names

Section 3: Naming of compounds
Exercise 3: Names from formulae

Section 4: The mole

6

9
13

18
22

25

Exercise 4a: Calculation of the number of moles of material in a given
mass of that material

30

Exercise 4b: Calculation of the mass of material in a given number
of moles of at material

33

Exercise 4c: Calculation of the volume of a given number of moles
of a gas

36

Exercise 4d: Calculation of the number of moles of gas in a given
volume of that gas

38

Exercise 4e: Calculation of the volume of a given mass of gas

40

Exercise 4f: Calculation of the mass of a given volume of gas

42

Exercise 4g: Calculation of the Relative Molecular Mass of a gas from
mass and volume data for the gas

44

Section 5: Using the idea of moles to find formulae

46

Exercise 5: Calculation of formulae from experimental data

52

Section 6: Chemical equations

56

Exercise 6a: Balancing equations

58

Exercise 6b: What’s wrong here?

61

Exercise 6c: Writing equations in symbols from equations in words

62

Section 7: How equations are found by experiment
Exercise 7: Writing chemical equations from experimental data

Section 8: Amounts of substances
Exercise 8: Calculations of products/reactants based on equations

64
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