character: Sophia
topic: The Role of Molarity in Water Quality Assessments
grade: 9
subject: Chemistry
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character: James
topic: Understanding Solutions and Concentration
grade: 9
subject: Chemistry
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character: Lena
topic: The Importance of pH Levels in Water Quality
grade: 9
subject: Chemistry
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character: Tom
topic: Chemical Properties of Water
grade: 9
subject: Chemistry
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