One area for improvement is to ensure that you link the prac cal ac vi es: techniques, methods and the interpreta on of data to thetheore cal learning. Look at the prac cal ac vi es that you have performed in lessons (and those in the textbook) to make sure that you candescribe and explain the prac cal details of how to separate materials. Also use the textbook example to revise how to calculate solubili es fromexperimental data. Remember that solubility is always expressed per 100g of solvent and so you may need to mul ply or divide accordingly