Reasons for using titrationWhen an acid and an alkali react it is not possible to see the end of the reaction unless an indicator is used. If an indicator is used the salt made will be impure. Titration is used to find out exactly what volume of acid and alkali should be mixed.
Methods for carrying out titration
1.Fill a 25cm3 pipette up to the line with the alkali solution of known concentration.
2. Transfer exactly 25.0cm3 of alkali to a conical flask and add an indicator.
3. Rinse a burette with acid then fill it with the acid using a funnel.Burette
4. Carefully run acid from the burette int the conical flask until the indicator changes colour.
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