RPA01: making Salts

Question 1

Aim

Answer 1

Prepare a pure dry salt

Question 2

Step one

Answer 2

Measure 20 cm³ sulphuric acid into a measuring cylinder And pour into beaker

Question 3

Step two

Answer 3

Heat acid gently using a Bunsen burner

Question 4

Step three

Answer 4

Add insoluble base in excess

Question 5

Step four

Answer 5

Filter using filter paper and funnel solution to remove excess base

Question 6

Step five

Answer 6

Pour solution into evaporating basin and evaporate using a water bath until crystals begin to form

Question 7

Step six

Answer 7

Leave the evaporating basin in a cool place for at least 24 hours

Question 8

Step seven

Answer 8

Pat the crystals dry between two pieces of filterpaper