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Product 12486

By: The Flinn Staff

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. Titration curves of pH versus volume of titrant are generated and used by the students to verify the appropriateness of the selected indicators. 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* Chemistry Curriculum Alignment Transition Guide available! Follow the link in Resources to find this valuable publication that lets you adapt this classic AP Chemistry experiment for guided-inquiry and correlate with the AP Chemistry curriculum framework.

Correlation to Next Generation Science Standards (NGSS)

Science & Engineering Practices

Asking questions and defining problems
Planning and carrying out investigations
Using mathematics and computational thinking
Analyzing and interpreting data
Engaging in argument from evidence

Disciplinary Core Ideas

HS-PS1.A: Structure and Properties of Matter
HS-PS1.B: Chemical Reactions

Crosscutting Concepts

Scale, proportion, and quantity
Systems and system models
Energy and matter
Cause and effect
Patterns

Performance Expectations

HS-PS1-1: Use the periodic table as a model to predict the relative properties of elements based on the patterns of electrons in the outermost energy level of atoms.
HS-PS1-2: Construct and revise an explanation for the outcome of a simple chemical reaction based on the outermost electron states of atoms, trends in the periodic table, and knowledge of the patterns of chemical properties.
HS-PS1-5: Apply scientific principles and evidence to provide an explanation about the effects of changing the temperature or concentration of the reacting particles on the rate at which a reaction occurs.