Spec 8462
Revise AQA GCSE Chemistry 3.2.3 Using moles to balance equations (HT only) with the question bank, lessons, revision guides, and flashcards.
The balancing numbers in a symbol equation can be calculated from the masses of reactants and products by converting the masses in grams to amounts in moles and converting the numbers of moles to simple whole number ratios. Students should be able to balance an equation given the masses of reactants and products. Students should be able to change the subject of a mathematical equation.
