The Mole: Formulae & Chemical Equations

Topic Objectives

By the end of this topic, the learner should be able to:

• Define the mole;
• Relate the mole to the relative atomic mass;
• Convert mass into moles and vice versa;
• Determine the empirical and molecular formulae of compounds from experimental results and given data;
• Explain the terms concentration, molarity and dilution of a solution;
• Define and prepare molar solution;
• Prepare molar solutions;
• Carry out titrations and calculations involving molar solutions;
• Write correct full formulae and ionic equations of reactions ith state symbols;
• Define molar gas volume and atomicity of gases;
• State Avogadro’s and Gay – Lussac’s laws and carry out related calculations.