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Substances Reducing Dichromate ACS test

Question asked by Bruno erny on May 24, 2019

Hello, I have i question about Substances Reducing Dichromate  on acetic acid in the ACS monography . I have a problem to determinate the volume of 0.1N potassium dichromate consumed. because I have A stoechiometric factor of 2 on Sodium thiosulfate 0.1 N when I write the equations of the reaction . Could you explain me that . Sorry for my bad english . Thank in advance

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