BRAINCAKEHydrated Salts
Hydrated salts have water molecules as part of their crystalline structure.
The water is known as water of crystallisation.
When the crystals are heated, the water of crystallisation is driven off and the anhydrous salt remains.
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Key terms in this lesson
- Mole
- The amount of substance that contains as many particles as there are atoms in exactly 12g of carbon-12.
- Empirical formula
- The simplest whole number ratio of atoms of each element in a compound.
- Salt
- A compound formed when the hydrogen ions in an acid are replaced by metal ions or ammonium ions.
More in Amount of Substance
- Empirical Formula Calculation
- Relative Formula Mass
- Relative Molecular Mass
- Molecular Formula
- Solutions and Concentrations
- Standard Solutions
- Molar Gas Volume
- Ideal Gas Equation
All 16 lessons in Amount of Substance · All OCR AS-level Chemistry topics