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Chemistry Paper 1

Quantitative Chemistry

These videos are fully up to date with the AQA spec for 2026-2027

Conservation of mass
Charges on ions
Formula of ionic compounds
Balancing chemical equations
Relative formula mass
Calculating percentage by mass
Calculating moles of an element
Calculating moles of a compound
Calculating mass of a number of moles
Using moles to balance equations
Avogadro's constant 1
Avogadro's constant 2
Reacting masses 1
Reacting masses 2
Limiting Reactant
Concentration of solutions
Calculating percentage yield 1 triple
Calculating percentage yield 2 triple
Atom economy triple
Using concentration of solutions 1 triple
Using concentration of solutions 2 triple
Using gas volumes 1 triple
Using gas volumes 2 triple
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