Crystallisation

Question 1

What is crystallisation used to separate?

Answer 1

a solute from a solvent and only keep the solute

Question 2

What is the method specifically used to make?

Answer 2

hydrated crystals

Question 3

Method

Answer 3

1. Heat the solution until 2/3 of the water has been lost. This is a saturated solution.
2. Test the solution is saturated by dipping in a glass rod and see if crystals form on the end.
3. Let the solution cool and crystallise
4. Filter out the crystals
5. Dry crystals between filter paper