Stoichiometry and the Mole Concept

This fundamental Form 3 topic introduces the mole concept, chemical equations, and stoichiometric calculations, which are central to quantitative chemistry in the Zambian curriculum. You will learn to define the mole in terms of Avogadro's constant, calculate relative atomic and formula masses, and determine empirical and molecular formulae. The ability to balance chemical equations and perform calculations involving reacting masses, volumes of gases, and concentrations of solutions is essential for solving complex problems in ECZ exams. This topic builds the mathematical foundation for chemistry, enabling you to analyze chemical processes quantitatively—a key competence for exam readiness and further studies in science.