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Titration Experiment HTML5

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Summary

Titration is an experimental technique that allows us to know the concentration of an unknown acid or base.

The method relies on the principle of neutralization of an acid with a base.

The volumetric method illustrated here is to determine the volume Vb of a known base with concentration Cb, that is necessary to neutralize a certain volume Va of an unknown acid of concentration Ca.

In this animation, the base is NaOH (sodium hydroxide) and acid is HCl (hydrochloric acid).

During the neutralization of the acid by the base, we get the following equation:

VaCa = VbCb

From this equality, we can deduce the concentration of the acid:

Ca = VbCb / Va

Click on the stopcock or the "add 5mL of NaOH" button.

Learning goals

  • To establish the link between pH and H + and OH-.
  • To understand the principle of the neutralization of an acid with a base.
  • To describe the protocol of a titration experiment.

Learn more

The pH is an important characteristic of aqueous solutions.  It indicates the acidity or basicity of the solution.

The pH is a measure of the presence of the hydrogen ion, H+. This ion is very…

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