What is neutralisation?

Neutralisation is when an acid reacts with an alkali.

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What is a titration?

A titration is a technique to accurately measure the volume of acid needed to neutralise an alkali.

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What equipment is used in a titration?

  1. Pipette and filler
  2. Burette
  3. Funnel
  4. Clamp and stand
  5. Conical flask
  6. White tile

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What is the aim of this titration?

To determine the volume of sulfuric acid needed to neutralise 25cm3 of sodium hydroxide.

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What is used to detect the end-point?

The colour change of phenolphthalein indicator from pink to colourless.

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How is concentration calculated?

Concentration = volumemoles​


Where: 

  • Concentration is measured in mol/cm3
  • Moles are measured in mol
  • Volume is measured in cm3

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How many repeats should be done?

3 repeats and then calculate the mean titre volume

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