Moles Formulae Equations Questions - Chemstuff
GCE
Moles, Formulae and Equations
Edexcel Advanced GCE in Chemistry (9080)
Edexcel Advanced GCE in Chemistry
(Nuffield) (9086)
Issue 3
October 2004
Moles, Formulae and Equations
Edexcel Advanced GCE in Chemistry (9080)
Edexcel Advanced GCE in Chemistry (Nuffield) (9086)
GCE
Workbook for GCE students
London Qualifications is one of the leading examining and awarding bodies in the UK and
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Authorised by Jim Dobson
Prepared by Sarah Harrison
Publications code UA008883
All the material in this publication is copyright
? London Qualifications Limited 2004
Introduction
This workbook has been developed from an earlier version offering support to students in
transition from GCSE Science (Double Award) and the GCE Advanced Subsidiary.
The aim of the booklet is to help students to practise their skills in the areas of formulae,
equations and simple mole equations. The booklet gives examples for students to work through
to help build their confidence. There are some sections involving multi-step calculations.
Edexcel acknowledges the help and support received from teachers in updating this latest
edition. It replaces previous versions issued in January 1998 and August 2000.
Contents
Section 1
Section 2
Section 3
Section 4
Section 5
Section 6
Section 7
Atoms
1
Exercise 1 Calculation of Molar Mass of compounds
5
Chemical formulae
9
Exercise 2 Writing formulae from names
13
Naming of compounds
19
Exercise 3 Names from formulae
23
The mole
27
Exercise 4a Calculation of the number of moles of material in a
given mass of that material
33
Exercise 4b Calculation of the mass of material in a given
number of moles of that material
37
Exercise 4c Calculation of the volume of a given number of
moles of a gas
41
Exercise 4d Calculation of the number of moles of gas in a given
volume of that gas
43
Exercise 4e Calculation of the mass of a given volume of gas
45
Exercise 4f Calculation of the volume of a given mass of gas
47
Exercise 4g Calculation of the Relative Molecular Mass of a gas
from mass and volume data for the gas
49
Using the idea of moles to find formulae
51
Exercise 5 Calculation of formulae from experimental data
57
Chemical equations; equations in words;
writing formulae; balancing the equation
63
Exercise 6a Balancing equations
65
Exercise 6b What¡¯s wrong here?
69
Exercise 6c Writing equations in symbols from equations in
words
71
How equations are found by experiment
73
Exercise 7 Writing equations from experimental data
77
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