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This Effect of Solutes on Boiling Point lab resource also includes:
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Anyone that lives around snow knows that adding salts to water increases its melting point. Are there solutes that affect the boiling point as well? A scientific experiment has learners add different solutes to water and then monitor the boiling point of the solution. Groups compare their results and make conclusions from the data.
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Instructional Ideas
- Have learners make predictions prior to the activity
- Follow the activity with a discussion of the results and their real-world implications
Classroom Considerations
- Expects a solid understanding of molecule interactions at phase changes
Pros
- Incorporates technology probes for data collection
- Uses easily obtainable materials
Cons
- None