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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Question

Transcribed Image Text:When using FerroZine M to determine the concentration of iron, how many
moles of FerroZineTM are needed to complex 3.6x107 mol of iron?
Answer:
Calculate how much 1500 µg/dL stock solution is neededto make 50.00
mL a 300 ug/dL solution. .
FEB 17
18
étv
Expert Solution

Step 1
The balanced chemical reaction is given as: 3 Ferrozine + 1 Fe2+ ------> Na4Fe(ferrozine)3
Stoichiometry:
3 mol ferrozine complexes with 1 mol Fe2+.
It’s assumed that all forms of Fe are converted into Fe2+ during sample preparation.
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