An acid-base indicator is a substance that changes color as the pH of the solution changes. Indicators work because they are weak acids which when in solution, exist in equilibrium with their ...

A buffer is a solution designed to resist the changes in pH that occur when small amounts of acid or base are ... three follow-up questions after completing the Data Sheet. Setup for the Practicing ...

So toothpastes contain a base which neutralises the acid, protecting teeth. We will use titration procedures to ... Speaker one I’m going to fill this up here. Speaker two So we’ve closed ...