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