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Step 1/8
Measure 20cm3 of the acid with a measuring cylinder and pour into beaker
Step 2/8
Heat the acid gently with a bunsen burner
Step 3/8
Add small amount of the insoluble base in excess until it stops disappearing
Step 4/8
Filter using filter paper and funnel to remove excess
Step 5/8
Pour the solution into the evaporating basin
Step 6/8
Gently evaporate solution in a water bath until crystals start to form
Step 7/8
Leave to cool
Step 8/8
Pat dry with filter paper