A 1.00 g sample of limonite iron ore, 2Fe203 · 3H20, is dissolved, reduced to Fe²+ and titrated with 20.00 mL of 0.20 M cerium (IV). Calculate the percentage of 2Fe,03 · 3H20, (FM: 373.38 g/mol) in the sample. Titration reaction: Fe2+ + Ce*+ → Fe3+ + Ce3+

A 1.00 g sample of limonite iron ore, 2Fe203 · 3H20, is dissolved, reduced to Fe²+ and titrated with 20.00 mL of 0.20 M cerium (IV). Calculate the percentage of 2Fe,03 · 3H20, (FM: 373.38 g/mol) in the sample. Titration reaction: Fe2+ + Ce*+ → Fe3+ + Ce3+

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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A 1.00 g sample of limonite iron ore, $2\text{Fe}_2\text{O}_3 \cdot 3\text{H}_2\text{O}$, is dissolved, reduced to $\text{Fe}^{2+}$, and titrated with 20.00 mL of 0.20 M cerium (IV). Calculate the percentage of $2\text{Fe}_2\text{O}_3 \cdot 3\text{H}_2\text{O}$ (FM: 373.38 g/mol) in the sample.

**Titration reaction:**

\[
\text{Fe}^{2+} + \text{Ce}^{4+} \rightarrow \text{Fe}^{3+} + \text{Ce}^{3+}
\]

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