Chemistry A-Level
pH definition
What pH definition means in Chemistry A-Level, as defined for AQA.
Definition of pH definition
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Reference: AQA
The negative logarithm to base 10 of the hydrogen ion concentration, with the concentration in mol dm⁻³.
Topics that use pH definition
- Definition and determination of pH (A-level only) (AQA A-Level)
Related terms
- diprotic acids
- logarithm and antilogarithm
- neutrality and temperature
- strong acid pH
- complete dissociation
- factor of ten per unit
- logarithmic scale
- need for a log scale
Using pH definition in the exam
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