Lesson Plan

Molar Mass Determination from Freezing Point Depression

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This Molar Mass Determination from Freezing Point Depression lesson plan also includes:

Let the data tell the story. A lab activity has pupils collect temperature data on solutes as they melt and freeze. They use their data to create a cooling curve and then calculate the molar mass using the freezing point depression.

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Instructional Ideas
  • Have pupils develop their own procedures and compare and contrast strategies and accuracy
  • Don't reveal the type of chemical in the experiment and have groups determine its identity based on their calculations
Classroom Considerations
  • Review safety precautions for working with chemicals
Pros
  • Includes a key with typical results
  • Provides a teaching guide to help plan for instruction
Cons
  • None