seperation

Question 1

What is seperation used for?

Answer 1

= remove impurities that are dissolve in water

Question 2

What is the first step?

Answer 2

= add the products from distillation, into a seperating funnel
= add water to dissolve soluable impurities and creates an aqeuos solution

Question 3

What is the next step?

Answer 3

= allow solution to settle
= 2 layers will form
= top layer is impure
= botom aqueous containing soluable inpurities
= drain aqueous layer off and remove the stopper=

Question 4

How do we purify this?

Answer 4

= take impure product from seperating funnel
= and add to a round bottle flask
=

Question 5

What do we add to the round bottle flask?

Answer 5

= add anhydrous calcl2
= this is a dehydrating agent
= removes or water that remains or aq substances
= onvert flasj and leave for 30-2 minutes
= put through filtration technique to remove