If more silver nitrate is added after the indicator changes color, what effect would this have on the calculated resultes for the chloride ion concentration in the sample?

1 Answer
anor277
Mar 3, 2018

You will have to give some details of the experiment you are doing...

Explanation:

I assume you are doing a #"Mohr titration"#, the which measures the concentration of halide ions....

#2Ag^(+) + CrO_4^(2-)rightleftharpoonsunderbrace(Ag_2CrO_4)_"brick-red precipitate"darr(s)#...

And typically, silver ion is quantitatively added to an halide solution in the presence of dichromate....the first sign of silver dichromate, as a brick-red precipitate, is the stoichiometric end-point.

Anyway if you are not satisfied, we need a bit more detail.

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