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To determine the amount of iron in a dietary supplement, a random sample of 15 tablets weighing a total of 20.505 g was ground into a fine powder. A 3.116-g sample of the powdered tablets was dissolved and treated to precipitate the iron as Fe(OH)3. The precipitate was collected, rinsed, and ignited to a constant weight as Fe,O3, yielding 0.355 g. Report the iron content of the dietary supplement as g FESO4-7H2O per tablet.

To determine the amount of iron in a dietary supplement, a random sample of 15 tablets weighing a total of 20.505 g was ground into a fine powder. A 3.116-g sample of the powdered tablets was dissolved and treated to precipitate the iron as Fe(OH)3. The precipitate was collected, rinsed, and ignited to a constant weight as Fe,O3, yielding 0.355 g. Report the iron content of the dietary supplement as g FESO4-7H2O per tablet.

Chemistry
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
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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CALCULATION PROBLEMS Gravimetric Problems To determine the amount of iron in a dietary supplement, a random sample of 15 tablets weighing a total of 20.505 g was ground into a fine powder. A 3.116-g sample of the powdered tablets was dissolved and treated to precipitate the iron as Fe(OH)3. The precipitate was collected, rinsed, and ignited to a constant weight as Fe,O3, yielding 0.355 g. Report the iron content of the dietary supplement as g FeSO4 7H,0 per tablet.
Transcribed Image Text:CALCULATION PROBLEMS Gravimetric Problems To determine the amount of iron in a dietary supplement, a random sample of 15 tablets weighing a total of 20.505 g was ground into a fine powder. A 3.116-g sample of the powdered tablets was dissolved and treated to precipitate the iron as Fe(OH)3. The precipitate was collected, rinsed, and ignited to a constant weight as Fe,O3, yielding 0.355 g. Report the iron content of the dietary supplement as g FeSO4 7H,0 per tablet.
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