(p. 137). College Board. Navigate to the different pages of the Virtual Buffer Lab series: Understanding, Making, and Using Buffers Students using a burette during a titration in a lab at Purdue ...

Add 5 drops of Universal Indicator to each test-tube and record the pH, or use a pH meter to record the pH. You should find that hydrochloric acid has a lower pH than ethanoic acid. This tells us ...