New spec Chemistry calculations revision sheets

Based on AQA and Edexcel syllabi, but would work for other boards. Worked example and practice question(s) per sheet for all calculations in chemistry: RFM, the mole, mole and equations, mole and equations with volume of gases, concentration of solution, atom economy, percentage yield, titration calculations, strong and weak acids and bond energies. Includes all topics for Foundation and Higher combined course and the triple course (the course to which the topic pertains is put in the notes - if there is no note, it is for all students. Answers included for ease of marking
objective: maths, revision/consolidation
differentiation: the questions come in 2 levels of difficulty 'harder' and 'easier'
good for: part of a lesson, e.g. starter; homework; as a set of revision sheets; cover; catch up for absent students