Chemistry A-Level
Relationship between Ka and pKa
What Relationship between Ka and pKa means in Chemistry A-Level, as defined for OCR.
Definition of Relationship between Ka and pKa
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Reference: OCR
Because Ka can span many orders of magnitude, it is often expressed as pKa = −log₁₀Ka, so a smaller pKa corresponds to a stronger acid.
Topics that use Relationship between Ka and pKa
- Acids, bases and buffers (OCR A-Level)
Related terms
- Acid dissociation constant Ka
- acidic buffer
- Amphiprotic
- basic buffer
- Basicity
- Buffer action against added acid and alkali
- Buffer action and pH resistance
- Calibration with buffer solutions
Using Relationship between Ka and pKa in the exam
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