Twenty dietary iron tablets with a total mass of 22.131 g were ground and mixed thoroughly. Then 2.998 g of the powder were dissolved in HNO3 and heated to convert all the iron to Fe31. Addition of NH3 precipitated Fe2O3 ? xH2O, which was ignited to give 0.264 g of Fe2O3 (FM 159.69). What is the average mass of FeSO4 ? 7H2O (FM 278.01) in each tablet?
Twenty dietary iron tablets with a total mass of 22.131 g were ground and mixed thoroughly. Then 2.998 g of the powder were dissolved in HNO3 and heated to convert all the iron to Fe31. Addition of NH3 precipitated Fe2O3 ? xH2O, which was ignited to give 0.264 g of Fe2O3 (FM 159.69). What is the average mass of FeSO4 ? 7H2O (FM 278.01) in each tablet?
Chemistry
10th Edition
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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Twenty dietary iron tablets with a total mass of 22.131 g were ground and mixed thoroughly. Then 2.998 g of the powder were dissolved in HNO3 and heated to convert all the iron to Fe31. Addition of NH3 precipitated Fe2O3 ? xH2O, which was ignited to give 0.264 g of Fe2O3 (FM 159.69). What is the average mass of FeSO4 ? 7H2O (FM 278.01) in each tablet?
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