Companion PDF worksheet for Edexcel IGCSE Chemistry Lecture 9 - Formulae and Calculations. Contains short answer questions, an activity requiring lateral thinking and exam-style questions.
Specification Point 1.25 - Understand how to write word equations and balanced chemical equations (including state symbols).
Specification Point 1.26 - Calculate relative formula masses (including relative molecular masses) from relative atomic masses.
Specification Point 1.27 - Know that the mole is the unit for the amount of a substance.
Specification Point 1.28 - Understand how to carry out calculations involving amount of substance, relative atomic mass and relative formula mass.
Complete set of Chapter 2 Worksheets are available.
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