First 138 words of the document:
Using indicators and carrying out a titration
A titration is a method of analysis that will allow you to
determine the precise endpoint of a reaction and therefore
the precise quantity of reactant.
A burette is used to deliver the second reactant to the flask
and an indicator or pH Meter is used to detect the endpoint
of the reaction.
An indicator is a substance that undergoes a change in
colour when the endpoint of a titration is reached.
Acidbase indicators are used to signal the end of acidbase
An acidbase indicator is itself a weak acid (or its conjugate
Universal indicator turns orange if the liquid is an acid and
purple if it is an alkali, green if neutral