Loading…
Loading…
GCSE Chemistry · key term
Describes a substance from which its water of crystallisation has been removed.
Used by Edexcel
Paper 1, Paper 2
Revise: Formula of Hydrated SaltThe blue solid becomes pale grey-white anhydrous copper(II) sulfate. If none of the solid is lost or decomposed, its decrease in mass is the mass of water driven off.
Convert the masses of water and anhydrous salt to moles before finding their ratio; a mass ratio is not the formula.
Create a free account to read GCSE Chemistry revision notes for your exam board and track your progress.