Cambridge IGCSE 0620 · every formula in one
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Glide· Chemistry 0620
Formula Sheet
Every calculation formula in the 0620 syllabus, grouped by topic — nothing here needs memorising as a number, only as a relationship.
Key formulae
Mr = sum of all the Ar values
moles = massMr
mol
(actual yieldtheoretical yield) × 100
% yield
Cambridge doesn’t hand you a formula sheet for Chemistry the way it does for Physics — these relationships are expected to be memorised. Every calculation formula in the 0620 syllabus, grouped by the topic it belongs to.
Where a value like specific heat capacity is needed, the question gives it to you. Nothing here needs to be memorised as a number — only the relationship between the quantities.
Chemistry 0620 · Formula sheetPage1
The Mole
→ The foundation for almost every calculation question on the paper. Full working in Stoichiometry.
Relative formula mass
Mr = sum of all the Ar values in the formula
Moles from mass
moles = massMr
Mass from moles
mass = moles × Mr
Moles of a gas at r.t.p.
moles = volume (dm3)24
Volume of a gas at r.t.p.
volume (dm3) = moles × 24
Number of particles
number of particles = moles × 6.02 × 1023
Concentration & Titrations
→ Also covered in Stoichiometry.
Concentration in mol/dm3
concentration = molesvolume (dm3)
Concentration in g/dm3
concentration = massvolume (dm3)
Moles from concentration
moles = concentration × volume (dm3)
Yield, Purity & Composition
Percentage yield
(actual yieldtheoretical yield) × 100
Percentage purity
(mass of pure substancemass of impure sample) × 100
Percentage composition of an element
(Ar × number of atoms of that elementMr) × 100
InsideThe cover and the first page of formulas, grouped by topic.
What you get
Every calculation formula in one place: moles, concentration, yield, purity, percentage composition, energetics and rates.
Laid out for print, so you can pin it above your desk or keep it in
your revision folder. One file, no ads, no connection needed.
The formula sheet is free to read online,
in full, and always will be. You are paying for the offline copy, not
for access.
