HA ↔ H+ + A- Phenolphthalein is typically used in this demo because its change from colorless to bright pink is easy to see in large lecture halls, but universal indicator could also be used.

This lab includes a demonstration of the proper use of a burette system for titrations; including a detailed description, instructional video, and opportunity for students to collect data to ...

Investigating Buffers - Two short experiments to discover the properties of buffer solutions. II. Practicing Titrations - A demonstration of the proper use of a burette system for titrations; ...