character: Dr. Emily Chen
topic: Calculating Molarity for Chemical Reactions
grade: 9
subject: Chemistry
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character: Mr. Johnson
topic: Understanding Concentration and Dilution
grade: 9
subject: Chemistry
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character: Ms. Rodriguez
topic: Introduction to Chemical Solutions
grade: 9
subject: Chemistry
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character: Mrs. Smith
topic: Balancing Chemical Equations
grade: 9
subject: Chemistry
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