Maleic Acid gives an excellent diprotic acid titration curve showing both inflection points clearly for calculation of molecular weight.
Before the Activity
This activity was originally done using Vernier's Chemistry with Computers Lab Book. It was adapted for use with a TI-84 calculator and Easy Data.
During the Activity
Each student should be provided with a copy of the attached .pdf.
After the Activity
Review student results:
As a class, discuss questions that appeared to be more challenging
Re-teach concepts as necessary