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Creating a Solubility Curve for Potassium Nitrate Experiment

Creating a Solubility Curve for Potassium Nitrate Experiment
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this experiment involves three experiments - looking at how temperature affects the solubility of solids and gases and how intermolecular forces affect solubility of liquids.

i always do this experiment over two 75 minute classes. in the first period, the class does the potassium nitrate experiment as a group. groups are given different starting spots [ie group 1 has 5 ml of water, group 2 starts with 10 ml of water etc] and all temperatures are recorded on the board. a scatter plot of data is made by each student.

day 2 is short with the student mixing different liquids and observing water boil. cough.

the rest of the period i show them how to convert the solubility numbers to create a graph.

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Total Pages
3 pages
Answer Key
Does not apply
Teaching Duration
2 hours
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