15.1.2 - Core Concepts First
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Practice Questions
Test your understanding with targeted questions
What is the mole ratio of hydrogen to oxygen in the formation of water?
💡 Hint: Think about the balanced equation for water formation.
Define an atom.
💡 Hint: Consider its composition.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is stoichiometry?
💡 Hint: Think about what ratios are in a balanced equation.
True or False: The number of products must always equal the number of reactants in a reaction.
💡 Hint: Consider the conservation of mass.
1 more question available
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