Chemistry A-Level
buffer region
What buffer region means in Chemistry A-Level, as defined for AQA.
Definition of buffer region
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Reference: AQA
A flat region shown by a weak acid with a strong base, drawn as a shallow rise rather than a flat horizontal line.
Topics that use buffer region
- pH curves, titrations and indicators (A-level only) (AQA A-Level)
Related terms
- concordant titres
- Equivalence point
- Indicator
- Required practical 9
- sources of error
- standard solution
- volume increments
- Colour change range
Using buffer region in the exam
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