Key term for AQA GCSE Chemistry, used in Moles and Stoichiometry.
A state where there is more than enough of a reactant to completely react with the limiting reactant.
Excess appears in AQA GCSE Chemistry revision content for Quantitative chemistry, especially Moles and Stoichiometry and Reacting Masses.
Create a free account to access AQA GCSE Chemistry revision notes, track progress, and practise related key terms.