Titrations (AQA GCSE Chemistry): Flashcards

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Titrations
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What is a titration used for?

To determine the concentration of a solution

Analyte definition

Substance whose concentration you want to determine

What is an indicator in titrations?

Substance that changes colour when analyte is neutralised

What is a burette?

Instrument used to deliver the titrant into the analyte

Titrant definition

Solution of known concentration

What is the titre?

Volume of titrant used in the titration

Initial burette meniscus reading

00 cm³

Burette reading precision

0.050.05 cm³

Where to read the meniscus

Bottom of the meniscus

Concordant titres definition

Results within 0.200.20 cm³ of each other

Minimum titration repetitions

At least three times

Why swirl the conical flask?

To mix the solutions thoroughly

What to rinse burette with before use

The titrant

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