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Many young scientists don't realize iron exists in two different forms in nature. During an enlightening experiment, they react iron with copper sulfate to cause a single replacement reaction. Then, they determine the correct stoichiometry of the reaction as well as the correct oxidation states with their properly measured results.
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CCSS:
Adaptable
Concepts
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Instructional Ideas
- Review all safety procedures and the importance of not boiling the solution at any point
Classroom Considerations
- Relies on prior knowledge of single replacement reactions, moles, and stoichiometry
- Experiment requires allowing the copper to fully dry and cool before completing the experiment; this step may require 24 hours or more
Pros
- Includes data table for each step of the process
- Provides analysis questions related to the importance of each step in the experiment rather than taking shortcuts
Cons
- None