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Lab Resource
Curated OER

A Solubility Curve for Potassium Nitrate

For Students 9th - 12th
Step-by-step laboratory instructions are listed so that chemistry explorers can consider the solubility of potassium nitrate. They combined their results with other lab groups' results and then graphed the data to display the solubility...
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Lesson Plan
Nuffield Foundation

Making a Calibration Curve for Starch Concentration

For Teachers 9th - 12th
How well can your class concentrate on solutions? Scholars use colorimeter absorption to explore a starch concentration calibration curve. They add iodine to different starch solutions to see how the concentration of the solution changes.

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