Edexcel IAL Chemistry A2 14.17 Meaning of buffer solution
Edexcel IAL Chemistry A2 14.17 Meaning of buffer solution

Pearson Edexcel IAL Chemistry syllabusChemistry YCH11First assessment 2019
Keep the definition precise: the key marks are resistance to significant pH change and the addition of small amounts of either acid or alkali.
How this is tested
- State that a buffer resists significant pH change when small acid or alkali is added.