Determination of the Molecular Weight of an Acid AP Chemistry Kit

Meets AP® Chemistry topics 6 and 7. This kit provides an interesting twist on a common experiment. Students standardize a solution of strong base using a weak acid and titrate a polyprotic acid to determine its molecular weight.

The polyprotic acid changes the titration's stoichiometry as compared to the usual experiment involving a monoprotic acid. Students must account for the difference in their calculations. Materials are sufficient for 30 students working in pairs.

DOT Class: Corrosive
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