Acids and Bases

Bromothymol Blue to Yellow by Breath

[S | t+ | ★★★★]
A solution with bromothymol blue indicator changes from blue to yellow as the instructor blows into the liquid with a straw.

[In-Depth Description]

Acid Base Titration

[M | t | ★★ ]
Titration of 0.1M sodium hydroxide against 0.1M hydrochloric acid, with a phenolphthalein endpoint.

Contact Us

Mailing Address: Lecture Demonstration Services, Science Center, Rm B-08A, 1 Oxford Street, Cambridge, MA 02138
Campus Location: Science Center B-08A | Tel: (617) 495-5824 | Email: scidemos@fas.harvard.edu