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Preparing and Diluting Solutions—Student Laboratory Kits

By: The Flinn Staff

The Preparing and Diluting Solutions chemistry student laboratory kits walk students through the process of preparing solutions of various concentrations. Students calculate how to prepare several solutions before making them.

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When should students learn how accurate concentrations of solutions are prepared? This year! This detailed laboratory procedure walks students step-by-step through the process of accurately preparing solutions of various concentrations. Students must calculate how to prepare several solutions before making them and also must calculate the resulting concentrations of solutions prepared according to given recipes. Laboratory procedure covers preparation of stock solutions, serial dilutions and dilutions of a given molarity. Additional practice calculations are included for student practice or as a post-test.

Correlation to Next Generation Science Standards (NGSS)

Science & Engineering Practices

Developing and using models

Disciplinary Core Ideas

MS-ETS1.B: Developing Possible Solutions
HS-PS1.A: Structure and Properties of Matter

Crosscutting Concepts

Scale, proportion, and quantity

Performance Expectations

MS-ETS1-4. Develop a model to generate data for iterative testing and modification of a proposed object, tool, or process such that an optimal design can be achieved.