This Lab-Percent of Composition of KClO3 lesson plan also includes:
- Join to access all included materials
Students find the percent composition of oxygen in potassium chlorate. In this percent composition lesson plan, students heat a sample of potassium chlorate to decompose it into potassium chloride and oxygen. They weight their initial sample and their final sample. They determine the mass of oxygen lost and find the percent composition of oxygen in the original sample.