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Acids contain replaceable hydrogen atoms.
The salt name for hydrochloric acid is sulfate.
Salts are ionic compounds.
Copper(II) sulfate consists of Cu²⁺ and PO₄³⁻ ions.
Salts often form crystals that contain water of crystallisation.
Anhydrous salts contain water of crystallisation.
The chemical formula for cobalt(II) chloride crystals is CoCl₂•6H₂O.
Making salts involves replacing the metal ions with hydrogen ions from an acid.
The formula for copper(II) sulfate crystals containing water of crystallisation is CuSO₄•5H₂O.
Phosphoric acid forms sulfate salts.