What happens when you combine 6.022 times 10 to the 23 piles of dirt into one? You make a mountain out of a mole hill. Scholars use dehydration to obtain percent composition and then calculate the molarity of the original solution. 

Concepts

molarity, moles, solutes, solutions, solvents, concentrations

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Additional Tags

science

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Instructional Ideas

• Have your class explore concentrated drinks they consume (e.g. lemonade, orange juice) and judge why they have different concentrations

Classroom Considerations

• Be sure not to let the water boil when heating
• Follow all lab safety rules during the experiment
• Lesson builds on previous installments in the series
• The final lesson in an eight-part series

Pros

• Includes an extension for advanced learners
• Provides many assessment questions and extra practice problems for those who might need them

Cons

• Resource does not include an answer key

Common Core

RST.9-10.3 RST.11-12.3