57. Solving a chemistry problem
6. Determine the percentage of nickel in steel if, after dissolving 1.0 g of the sample, nickel was precipitated with dimethylglyoxime and the precipitate was dissolved in hydrochloric acid. The volume of the solution was brought to 50 cm3 and 20 cm3 was titrated with 5.45 cm3 of a 0.1 M Trilon B solution.
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