Back Titrations - Example

#Chemistry #Titrations #BackTitrations

Back or Indirect Titrations - Example

FYI - There is a mistake at 9:21. When I wrote 3.0967*10^(-3) that should be 3.0967*10^(-2).

A simple back titration problem and explaining the theory behind these types of titrations.

I use a writing frame to take you through three separate back titrations, teaching you the 5 basic steps that are generally involved. The first determines the percentage purity of a sample of Magnesium Oxide. The second determines the percentage of Calcium Carbonate in chalk. The third finds the concentration of Ammonia in a domestic cleaner.

Note that the result of a back titration will be inaccurate if chemical A is contaminated with a chemical that would also react with chemical B.

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Видео Back Titrations - Example канала Harold Walden