3. Using the given data, determine the concentration of the solution in the specified units
Option Ion to be determined Reaction of formation of a colored compound Initial current, μA Standard solution Test solution
concentration layer thickness, cm current, μA concentration layer thickness, cm current, μA
3 MoO42- with dithiol 75 0.1 g steel CO containing 0.750% Mo in 25 ml of solution 5.00 64.8 Mo (in %) in steel with a sample of 0.2 g in 25 ml of solution 2.00 59.6

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