character: Mrs. Wong
topic: The Law of Conservation of Mass
grade: 11
subject: Chemistry
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character: John Dalton
topic: Atomic Theory and Conservation of Mass
grade: 11
subject: Chemistry
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character: Antoine Lavoisier
topic: Foundations of the Law of Conservation of Mass
grade: 11
subject: Chemistry
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character: Marie Curie
topic: Mass and Energy in Chemical Reactions
grade: 11
subject: Chemistry
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