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Milk of Magnesia Rainbow Demonstration Kit


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Introduce students to the significance of pH indicators with this colorful demonstration of solubility, equilibrium, Le Châtelier's principle, and acid-base chemistry. Students observe a household antacid cycle through a rainbow of colorful pH changes that broaden understanding of equilibrium and pH. After making predictions about the reaction and observations from the demonstration, students answer questions that extend the learned principles to other reactions and an understanding of the important concepts of solubility and equilibrium. Lesson can also be extended to study the reaction at different temperatures to bring in kinetics and thermodynamics. A great demo that can be used several times during the curriculum. Materials are sufficient for 5 demonstrations. Student worksheets are included.

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