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Determining the pKa of a weak acid

This Higher Level practical gives you practice at determining the pKa of a weak acid by two different methods. This practical involves a strong acid - strong alkali titration using a pH probe to determine the concentration of a solution of sodium hydroxide. You can either read the pH from the probe manually or you can connect the probe to a data logger. A weak acid is then used to titrate the sodium hydroxide...

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