character: Professor Mole
topic: Applying Stoichiometry in Reactions
grade: 9
subject: Science
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character: Ms. Reaction
topic: Balancing Chemical Equations
grade: 9
subject: Science
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character: Dr. Element
topic: Understanding Reactants and Products
grade: 9
subject: Science
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character: Chemistry Carl
topic: Mole Concept and Avogadro's Number
grade: 9
subject: Science
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