Limiting Reactants Reagents Practice Problems

Mastering stoichiometry calculations takes practice. These worksheets provide 8 multi-part practice problems for students who are learning about limiting reactants. Students will write a balanced chemical equation, determine the limiting reagent, use the limiting reactant to determine unknown products, and determine the left over amount of the reactant in excess.

What is Included?

• Printable and Editable student handouts in two versions.
• Paper-saving version: All problems are on a single page. Students complete their work on their own notebook paper. The set of handouts can be used in multiple classes.
• Version 2 leaves space on the worksheets for students to complete their work. Students will write on each page.
• The “Sample Instruction Problem” is a one-page handout that shows how to solve stoichiometric calculations involving limiting reactants. You may choose to duplicate the Sample Problem to pass out to your students to use as a guide when solving the practice problems.
• Detailed and complete Teacher Answer Key showing solutions to all problems.

Prior Knowledge Required:

• Students must be able to write chemical formulas.
• Students must understand the differences between the four types of chemical reactions.
• Students must be able to balance equations.
• Students need an understanding of the rules used to determine the products of chemical reactions.
• Students must understand the mole concept.

Related resources include:

• Spring Theme Hidden Picture- The Mole Concept and Stoichiometry Review Questions
• Stoichiometry Practice Problems
• Stoichiometry Quiz
• Lab: Stoichiometry Mole and Mass Relationships
• Stoichiometry Unit Test

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