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Selecting Indicators for Acid–Base Titrations—AP* Chemistry Classic Laboratory Kit

By: The Flinn Staff

Item #: AP6452

Price: $53.85

The Selecting Indicators for Acid–Base Titrations Classic Lab Kit for AP* Chemistry provides an excellent assessment of student understanding of acid–base chemistry. Students practice the titration process using indicators and pH meters.

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Classic AP Requirement #11—Determination of the Appropriate Indicators for Various Acid–Base Titrations

Students select the appropriate indicators for two titrations—a weak acid solution titrated with a strong base solution and a weak base solution titrated with a strong acid solution. The indicators are added to the solutions and the students perform the titrations. Titration curves of pH versus volume of titrant are generated and used by the students to verify the appropriateness of the selected indicators. Students gain valuable experience with the process of titration using indicators and pH meters. An excellent assessment of student understanding of the principles of acid–base chemistry.

Complete for 24 students working in pairs.

Selecting Indicators for Acid–Base Titrations Inquiry Guidance & AP* Chem Curriculum Alignment Transition Guide available! Adapt this classic AP Chemistry experiment for guided-inquiry and correlate with the AP Chemistry curriculum framework with the Flinn Scientific Inquiry Guidance and AP* Chemistry Curriculum Alignment Guide. Follow the link in Resources to find this valuable publication!


Materials Included in Kit (for 24 students working in pairs): Bromthymol blue solution, thymolphthalein solution, phenolphthalein solution, methyl orange solution, ammonium hydroxide solution, acetic acid solution, hydrochloric acid solution, sodium hydroxide solution, methyl red solution.
Additional Materials Required (for each lab group): Beakers, burets, buret clamp, magnetic stirrer and stir bar, pH meter, support stand, volumetric pipet, wash bottle with distilled or deionized water.

*Advanced Placement and AP are registered trademarks of the College Board, which was not involved in the production of, and does not endorse, these products.