43. Solution to Chemistry Problem

43. Solution to Chemistry Problem

1. Using the given data, determine the concentration of the solution in the specified units
Option Ion to be determined Reaction of the formation of a colored compound Initial current, μA Standard solution Test solution
concentration layer thickness, cm current, μA concentration layer thickness, cm current, μA
1 Mg2+ with eriochrome black 100 0.100 g MgCl2 in 250 ml of solution 2.00 60 Mg (in %) in the mineral with a sample of 0.2 g in 50 ml of solution 3.00 90

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