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Microchemistry: Titration to Determine Aspirin Tablet Concentration

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1 MB|22 pages
Product Description
The topic of molarity isn’t much fun to high school chemistry students because there’s just “so much math” (can you hear the whine already?).

This fun 55 minute experiment allows students to practice microchemistry techniques and to titrate without the need for a class set of expensive burettes and liters of solutions.

Students begin by titrating a known solution of HCl with NaOH to develop their technique, and then determine the amount of aspirin or acetylsalicylic acid in a tablet of aspirin dissolved in distilled water.

The power point explains the formula and uses for aspirin, and prepares students for this activity. They’ll actually appreciate the beauty of the mathematics that allows them to determine whether a tablet of medication is the amount that the label says it is!

Like all my chemistry products on TPT, I've included clear and concise instructions for making up the solutions, a list of the mistakes students will make, photos of how to set it up successfully, and tips for making the lab go more smoothly.

• Reinforcement of difficult concepts – molarity, molar mass, concentration, and pH
• Hands on experience
• Cooperative Learning
• Teacher instructions and set up
• Student handouts
• Power point to drive the activity
• There is no key because this is data driven

Keywords: concentration, molarity, solution, solvent, solute, aspirin, organic, moles, mole, liters, titration, titrate, microchemistry, well plate, acid, base, indicator, pH
Total Pages
Answer Key
Does not apply
Teaching Duration
55 minutes
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