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Edexcel IGCSE Chemistry · Spec 2.40C-2.43C

Salt Preparation: Titration & Insoluble Salts

Making salts by titration and preparing insoluble salts by precipitation.

Chemistry revision video

Salt Preparation: Titration & Insoluble Salts

Spec 2.40C-2.43C

What you need to know

  • Make a soluble salt by titration
  • Make an insoluble salt by precipitation
  • Choose the right method for a given salt

Active recall

Quick check

Answer each question before opening the answer.

How do you make an insoluble salt?

By precipitation — mix two soluble salt solutions, then filter, wash and dry the precipitate.

How do you make a soluble salt from an acid and a soluble alkali?

Titrate to find the volumes that react, then repeat without indicator and crystallise the solution.

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