3.4 Acids, Base and Alkalis

Question 1

What is the method insoluble base method

Answer 1

Heat the acid

increase the KE so it reacts faster with the base

While stirring add base until no more disappears.

This guarantees the base is in excess so that we know all the acid has been used up

filter out the excess base

Question 2

what is another less common way of making a salt solution

Answer 2

Titration

Question 3

What is the crystallisation method

Answer 3

-Heat the salt solution until crystals just start forming

• Allow solution to cool

-Filter out the crystals

-Dry the crystals by patting/ dabbing with filter paper