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Mole calculation trainer
GCSE & A-level
The one skill on every chemistry paper. Ten quick questions on moles from mass, mass from moles and concentration — the trick is choosing ÷ or × and not slipping a decimal point.
Need the equations first?
Every amount-of-substance formula — plus the three-step method examiners reward — on one page.
Mole calculations referenceFree revision tool by Oscar Song Tutoring
Want a hand with this?
Everything here stays free. If Chemistry is where the marks keep going, I teach it one to one from the mark schemes. Free intro call, then a free first lesson.