ChemQuest® AP® Chemistry Lab #5: Chromatography: Separation of a Mixture of Molecules

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Product Number: SB52622

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$59.95

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Grades 10-12.

Students will collect data using different solvents to identify the optimal solvent for separation, illustrate the intermolecular forces that are acting on the molecules in the separation, evaluate the chromatograph with different solvents, and establish a connection between molecular structure and intermolecular attraction to the solvent. Meets Big Idea 2, Investigation 5, and Primary Learning Objective 2.10.

Kit includes:

  • 30 ml food dye, blue #1, 0.5%
  • 30 ml food dye, yellow #5, 0.5%
  • 30 ml food dye, red #40, 0.5%
  • 200 ml 9:1 petroleum ether/acetone
  • 200 ml ethyl alcohol, 95%
  • 200 ml isopropyl alcohol, 99%
  • 200 ml acetone
  • 200 ml deionized water
  • 15 sheets of chromatography paper
  • 30 glass vials
  • 4 capillary tubes

Materials needed but not supplied:

  • Metric rulers

Item Weight: 6.50
Assembly Required: false
Subject Areas: Chemistry
Prop 65:
 

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