Digital file - The mole - Chemical formulae, equations and calculations (notes)

This booklet covers Edexcel IGCSE Chemistry topics:

• 1.26 Calculate relative formula/molecular masses (Mr) from relative atomic masses (Ar)

• 1.27 Understand that the mole (mol) is the unit for the amount of substance

• 1.28 Carry out calculations involving amount of substance, Ar and Mr

• 1.34C Carry out calculations involving amount of substance, solution volume, and concentration (in mol/dm³)

Even if you’re on a different exam board, you can still use this booklet to revise the core calculations in Chemistry. Make sure to always check your own syllabus to focus on exactly what’s required.