Water of crystallisation Flashcards
1
Q
What is the definition of hydrate?
A
When water of crystallisation is present in a crystal compound
2
Q
What is the definition of anhydrous?
A
When the water or crystallisation have been removed from a compound
3
Q
What is water of crystallisation?
A
The water present in a compound giving the compound a crystalline appearance
4
Q
How to work out the moles of a water in a crystal structure for an exam question?
A
Using percentage composition, mass compositions or practical data in the m/ n x mr equation
5
Q
How is copper sulphate crystals made?
A
The blue CuSO4 crystals are made from evaporating the water from a solution of copper sulphate. When they are heated they start to go paler blue until all the water is removed resulting in a white powder.
