Below are some useful videos and a knowledge organiser for revising the C3 Chemistry topic on Quantitative Chemistry.
Bitesize GCSE Chemistry
Bitesize Combined Science
Relative formula Mass
Conservation of Mass and Apparent mass changes
Calculating moles
Calculating reacting masses
Calculating volume of gases (Chem only)
Limiting reactants
Resources for use in school (not YouTube)
Questions which are aimed at Grades 1-4
Questions which are aimed at -Grades 7-9