Clark Chemistry Calculations.pdf — Jim

Digital access to Calculations in AS/A Level Chemistry by Jim Clark is available through authorized channels, including borrowing options on Archive.org and previews on Google Books . Supplementary materials, including worked solutions, can be found on sites like Docc Weebly and Chemguide . Answers - Calculations in Chemistry - Jim Clark

The equation says: 4 moles of Al make 2 moles of Al₂O₃. Ratio is 4:2, which simplifies to 2:1. Therefore, Moles Al₂O₃ = Moles Al / 2 Moles Al₂O₃ = 0.20 / 2 = 0.10 moles . Jim Clark Chemistry Calculations.pdf