Find the Concentration of Hydrogen Peroxide by Titration with Potassium Permanganate

In this video we find the concentration of hydrogen peroxide by titration using domestically available chemicals and equipment.

Hydrogen peroxide is titrated using potassium permanganate solution that was standardized with sodium oxalate. The titration is performed in a solution of sodium bisulfate to provide the acidic protons needed to run the reaction. Sodium oxalate is titrated with the potassium permanganate at 70 Celsius until a lingering pink or brown color is observed. The amount titrated is used to determine the actual concentration of the potassium permanganate.

Once the concentration is known, hydrogen peroxide is titrated with potassium permanganate until a lingering pink color is observed. Using the known concentration of permanganate the concentration of the hydrogen peroxide can be determined.

Related videos:
Making Sodium Oxalate:    • Make Sodium Oxalate - Primary Standar...  


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