The task of analytical chemistry 49

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Uploaded: 12.10.2017
Content: 49.doc (47,5 kB)

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Experimentally was found that the average observer can detect the red color of Fe(SCN)2+ at a concentration of 6.4*10^-6 M. What is the concentration Fе3+ should be created during the titration of 50.0 ml of 0,050 M solution of Ag+ 0,100 m solution of K. to reduce the titration error to zero?

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