What you’ll learn5 learning objectivesChoose one objective for a focused lesson, or study the complete topic.2.1.1Chemical equations• Show ratio of reactants and products• Deduce balanced equations, including state symbols, from named reactants and productsSyllabus objective2.1.2Mole ratio• Determine masses, volumes, concentrations• Use balanced equations for reacting quantity calculationsSyllabus objective2.1.3Limiting reactant• Determines theoretical yield• Identify limiting and excess reactants from given dataSyllabus objective2.1.4Percentage yield• (Experimental yield / Theoretical yield) × 100%• Solve problems involving theoretical, experimental, and percentage yieldsSyllabus objective2.1.5Atom economy• Measure of green chemistry efficiency• Calculate atom economy and link low atom economy to wasteSyllabus objective