character: Ms. Parker
topic: Understanding the Law of Conservation of Mass
grade: 11
subject: Chemistry
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character: Mr. Thompson
topic: Chemical Reactions and Mass Conservation
grade: 11
subject: Chemistry
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character: Dr. Lewis
topic: Applications of the Law of Conservation of Mass in Experiments
grade: 11
subject: Chemistry
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character: Ms. Rodriguez
topic: Historical Background of Mass Conservation in Chemistry
grade: 11
subject: Chemistry
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