58. The iron content of hemoglobin is determined by de- stroying the hemoglobin molecule and producing small water-soluble ions and molecules. The iron in the aqueous solution is reduced to iron(II) ion and then titrated against potassium permanganate. In the titration, iron(II) is oxidized to iron(III) and permanganate is reduced to manganese(11) ion. A 5.00-g sample of hemoglobin requires 32.3 mL of a 0.002100 M solution of potassium permanganate. The reac- tion with permanganate ion is MnO4 (aq) + 8H*(aq) + 5FE2+(aq) Mn2+(aq) + 5FE3+ (aq) + 4H2O What is the mass percent of iron in hemoglobin?
58. The iron content of hemoglobin is determined by de- stroying the hemoglobin molecule and producing small water-soluble ions and molecules. The iron in the aqueous solution is reduced to iron(II) ion and then titrated against potassium permanganate. In the titration, iron(II) is oxidized to iron(III) and permanganate is reduced to manganese(11) ion. A 5.00-g sample of hemoglobin requires 32.3 mL of a 0.002100 M solution of potassium permanganate. The reac- tion with permanganate ion is MnO4 (aq) + 8H*(aq) + 5FE2+(aq) Mn2+(aq) + 5FE3+ (aq) + 4H2O What is the mass percent of iron in hemoglobin?
Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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