In the It's in their Nature Chemistry Laboratory Kit, students learn to classify compounds and begin understanding attractive forces that exist between molecules by finding the solubility patterns of ionic, polar, and nonpolar compounds.
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“Oil and water do not mix.” This old saying is often used to explain why relationships between opposites are difficult or almost impossible. In this experiment, students trace this saying back to its source—the nature of oil and water, solutes and solvents, and the interactions between them. By investigating the solubility patterns of ionic, polar, and nonpolar compounds in a variety of solvents, students learn to classify compounds and begin to understand the types of attractive forces that exist between molecules. Includes reproducible student handouts, detailed background information, Teacher Notes with sample data and answers to questions, and all chemicals and consumable supplies needed to perform the lab.
Complete for 30 students working in pairs. Perform this experiment in a fume hood or well-ventilated lab.