Titration Flashcards
1
Q
What is titration used to find out
A
How much acid is needed to neutralise a quantity of alkali (or vice versa)
2
Q
Describe titration
A
- using a pipe the add 25cm3 of alkali to a conical flask
- add 2-3 drops of Phenolphthalein indicator
- fill a burrette with acid
- add acid drop by drop
- indicator changes colour when it is neutralised = end point
- record volume of acid
3
Q
Why don’t you use universal indicator
A
As it doesn’t have a sudden colour change
