Percentage yield
What Percentage yield means in Chemistry GCSE, as defined for AQA.
Definitions of Percentage yield
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Reference: AQA
A value that depends on how much product is actually collected, unlike atom economy which depends only on the reaction pathway chosen.
The actual yield compared with the maximum theoretical amount as a percentage, calculated as (actual yield ÷ theoretical yield) × 100.
A comparison of actual yield with theoretical yield, calculated as (actual yield ÷ theoretical yield) × 100.
Topics that use Percentage yield
- Atom economy (AQA GCSE)
- Percentage yield (AQA GCSE)
Related terms
- Addition reactions
- Atom economy
- Balanced equations
- Concentration
- Concentration and volume
- Economic factors in industrial chemistry
- Evaluating competing reaction pathways
- Mass and volume relationships
Using Percentage yield in the exam
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