This resource is a stoichiometry lesson and practice set. It includes a PowerPoint that explains what stoichiometry is, how to use balanced equations, mole ratios, and the mass = Mr × moles relationship, and then works through example problems step by step.

It also includes a worksheet with different types of stoichiometry questions. These cover:

• moles of product
• mass of product
• mass or moles of reactant
• extension problems
• an answer key for checking student work

This resource can be used for teaching the topic, guided practice, independent work, homework, or revision.