character: Mr. Johnson
topic: Understanding the pH Scale
grade: 11
subject: Chemistry
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character: Dr. Lee
topic: Acid-Base Reactions and Equilibrium
grade: 11
subject: Chemistry
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character: Ms. Clark
topic: Applications of the pH Scale in Everyday Life
grade: 11
subject: Chemistry
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character: Mr. Smith
topic: Measuring Acid and Base Concentrations
grade: 11
subject: Chemistry
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