Calculate percentage yield from actual and theoretical yield.

In the subtopic Balanced equations and reacting quantities, this AQA A-Level Chemistry 7405 learning objective focuses on calculate percentage yield from actual and theoretical yield. It belongs to Amount of substance, so revision should stay anchored to this exact subtopic rather than drifting into a generic GCSE-level chemistry summary. Approved keywords to use include yield. Theoretical yield. means the maximum amount of product that can be formed from the given amounts of reactants, calculated based on stoichiometry Avoid the mistake of students often confuse actual yield with theoretical yield, leading to incorrect percentage yield calculations; instead, to calculate percentage yield, use the formula: percentage yield = (actual yield / theoretical yield) x 100. For example, if the actual yield is 30 g and the theoretical yield is 50 g, substitute these values: percentage yield = (30 g / 50 g) x 100 = 60%. Thus, the percentage yield is 60% For exam answers, to calculate percentage yield, use the formula: percentage yield = (actual yield / theoretical yield) x 100. Substitute the actual yield and theoretical yield values into the formula to find the percentage yield