Education Technology

Solving Stoichiometry Problems

Published on 11/06/2012

Activity Overview

In this lesson, students explore three combustion reactions to develop skills necessary to solve stoichiometric problems.

Objectives

  • Students will write mole ratios from balanced chemical equations.
  • Students will use mole-to-mass conversion to determine mass of reactants and products given the number of moles.
  • Students will calculate the number of moles and the mass of a reactant or product when given the number of moles or the mass of another reactant or product using the balanced chemical equations.
  • Students will list the steps used in solving stoichiometric problems.

Vocabulary

  • mole
  • mole ratio
  • mole-to-mass conversion
  • mass-to-mole conversion
  • molar mass
  • combustion
  • reactant
  • product

About the Lesson

This lesson involves students using a simulation of three combustion reactions to develop skills necessary to solve stoichiometric problems.

  • Students will use the combustion of methane to analyze mole ratios in chemical reactions.
  • Students will the use the combustion of propane to analyze mole to mass conversion.
  • Finally, students will use the combustion of propane to analyze mass to mole conversion.

As a result, students will:
  • Reinforce the skills of balancing chemical equations
  • Develop a method of solving stoichiometry problems