Item #: AP6453
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
In this semi-microscale laboratory, 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. Once these determinations are completed, students are given two unknown solution sets of cations and anions to analyze. By following the qualitative schemes, students determine which cations and anions are present and which are absent from the two samples. Students become familiar with various laboratory techniques associated with qualitative analysis, with an emphasis on maintaining accurate records of laboratory results. 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* 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): Silver nitrate solution, sodium nitrate solution, copper(II) nitrate solution, barium chloride solution, zinc nitrate solution, nitric acid solution, iron(III) nitrate solution, sulfuric acid solution, sodium chloride solution, acetic acid solution, sodium carbonate solution, hydrochloric acid solution, sodium sulfate solution, barium hydroxide, potassium thiocyanate solution, aluminum granules, ammonium hydroxide solution, Beral-type pipets.
Additional Materials Required (for each lab group): Beakers (3–12 for hot water baths and 2 for disposal containers), centrifuges (3 to share), dropper bottles, hot plates, litmus paper or pH paper, spatula, stirring rod, stoppers to fit test tubes, storage bottle with cap (shared), 13 x 100 mm test tubes, test tube rack, watch glasses.
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