Mole and Molar Calculations Lesson (with Worksheets and Audio)This resource introduces students to the mole concept and basic chemical calculations. What it is: A lesson and presentation for Grade 9–10 chemistry Suitable as preparation for IB or A Level courses Focuses on fundamental mole concepts and calculations What is included: 55-slide PowerPoint presentation Worked examples of common mole calculations One activity on calculating molar mass Practice worksheets with three sections: Mas