Comparing Different Brands of Antacid

The effectiveness of different brands of antacid tablets can be compared in these analytical wet experiments that have a color change in the measurements! There are actually five different procedures that can be used that measure the strength of an antacid. The details for all five are given and the different acids and indicators that are used are identified. The materials, procedures, and result tables for each procedure is included.

Important Note: The procedures in this resource are appropriate for middle school students. The more advanced titration method using concentrated HCl, NaOH, and burets is not described here, although the procedures in this resource certainly could be used in some secondary classrooms.

When students finish they can work on the provided student activity worksheet. There is also a page of document camera notes and images on the topic of buffers. Simply print and use.

Check out other Middle School Science Resources for Chemical Solutions
The Density of Water
Colored Layers of Different Densities
The Solubility of Powders
The Three Ingredients of Alka-Seltzer
Comparing Antacids
Measuring Vitamin C in Solution
Galaxy Gold Acid Base Activities
The Solubility of M&M’s
Rocks in Acidic Solutions

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Other High-Value Chemistry Bundles
Atomic Structure
Physical and Chemical Changes, Phases, Metals, and Mixtures
Chemical Reactions

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