Stoichiometry

Understand the quantitative relationships between substances in chemical reactions using balanced equations.

Mole of a Compound

Learn how to use molar mass to relate the amount of a compound to its mass or number of particles.

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Concentration

Study how to express and calculate the amount of solute in a given volume of solution.

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Purity

Study how to express and calculate the amount of solute in a given volume of solution.

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Molecular and Empirical formula

Learn how to determine the simplest and actual formula of a compound using atomic ratios.

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Mass Composition of a Chemical Compound

Explore how the mass of each element contributes to a compound’s overall composition.

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Reaction Stoichiometry

Use balanced chemical equations to predict the amounts of products and reactants involved in reactions.

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Limiting Reactant

Identify the reactant that limits the amount of product formed in a chemical reaction.

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Reaction Yield

Learn how to compare actual and theoretical yields to evaluate the efficiency of a reaction.

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Ready to take IJSO-style stoichiometry practice questions?

Apply your knowledge with our collection of IJSO-style stoichiometry problems.

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Ready to take IJSO-style stoichiometry and chemical reactions mock tests?

Challenge yourself with our collection of IJSO-style mock tests in stoichiometry and chemical reactions, designed to test your problem-solving skills and understanding.

View Stoichiometry and Chemical Reactions Mock Tests