What does the yield of a reaction measure?
The yield is the mass of product actually collected.
The product may still contain water, increasing its measured mass.
The products react to form the original reactants before all reactants are used.
Flashcards for AQA GCSE Chemistry 3.3.1 Percentage yield, covering the key terms, definitions and equations you need to recall for Paper 1 and Paper 2. 19 cards, matched to the AQA GCSE Chemistry (8462) specification. Recall questions account for roughly 40% of marks at GCSE Chemistry, so these target the marks you can secure before the paper starts.