Questions for reflection
- What is a buffer?
- What is the biological significance of a buffer?
- Explain differences between strong and weak acids and bases.
- What are the differences between acids and a bases in terms of [H+] and [OH–].
- Why is pH 7 designated as neutral?
- How does the antacid work?
- How much difference in [H+] is there between pH 4 and pH 8?