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Product 12487

By: The Flinn Staff

With the Separation and Qualitative Determination of Cations and Anions Classic Lab Kit for AP* Chemistry, students perform lab techniques associated with qualitative analysis and determine the presence of cations and anions in samples.

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Classic AP Requirement #14—Separation and Qualitative Analysis of Cations and Anions

Students analyze two solution sets of four cations and four anions. For each set, a specific qualitative scheme is followed to separately detect each of the four ions present. Students are then given two unknown solution sets to analyze. By following the qualitative schemes, students determine which cations and anions are present and which are absent from the two samples. Four to five 50-minute lab sessions will be needed to complete all four sets of analyses.

Complete for 24 students working in pairs.

Separation and Qualitative Determination of Cations and Anions 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.