To measure the nickel content in steel, the alloy is dissolved in 12 M HCl and neutralized in the presence of citrate ion, which maintains iron in solution. The slightly basic solution is warmed, and dimethylglyoxime (DMG) is added to precipitate the red DMG-nickel complex quantitatively. The product is filtered, washed with cold water, and dried at 110°C. a) If 1.1634 g of steel gives 0.1795 g of precipitate, what percentage of Ni is in the steel?
To measure the nickel content in steel, the alloy is dissolved in 12 M HCl and neutralized in the presence of citrate ion, which maintains iron in solution. The slightly basic solution is warmed, and dimethylglyoxime (DMG) is added to precipitate the red DMG-nickel complex quantitatively. The product is filtered, washed with cold water, and dried at 110°C. a) If 1.1634 g of steel gives 0.1795 g of precipitate, what percentage of Ni is in the steel?
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter20: Chemistry Of Selected Transition Elements And Coordination Compounds
Section: Chapter Questions
Problem 1QRT
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To measure the nickel content in steel, the alloy is dissolved in 12 M HCl and neutralized in the
presence of citrate ion, which maintains iron in solution. The slightly basic solution is warmed,
and dimethylglyoxime (DMG) is added to precipitate the red DMG-nickel complex
quantitatively. The product is filtered, washed with cold water, and dried at 110°C.
a) If 1.1634 g of steel gives 0.1795 g of precipitate, what percentage of Ni is in the steel?
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