Please compare the solubility of ferrihydrite (Fe(OH)3) and goethite (FeOOH), with dissolution reactions provided. FeOOHgoethite + 3 H+ à Fe3+ + 2 H2O Fe(OH)3(ferrihydrite) 3 H+ à Fe3+ + 3 H2O
Please compare the solubility of ferrihydrite (Fe(OH)3) and goethite (FeOOH), with dissolution reactions provided. FeOOHgoethite + 3 H+ à Fe3+ + 2 H2O Fe(OH)3(ferrihydrite) 3 H+ à Fe3+ + 3 H2O
Chemistry
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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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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Please compare the solubility of ferrihydrite (Fe(OH)3) and goethite (FeOOH), with dissolution reactions provided.
FeOOHgoethite + 3 H+ à Fe3+ + 2 H2O
Fe(OH)3(ferrihydrite) 3 H+ à Fe3+ + 3 H2O
![### Chemical Reactions Involving Iron Compounds
This image presents two chemical reactions that involve the dissolution of iron hydroxides in the presence of hydrogen ions.
1. **Reaction of Goethite**:
\[
\text{FeOOH}_{\text{goethite}} + 3 \text{ H}^+ \rightarrow \text{Fe}^{3+} + 2 \text{ H}_2\text{O}
\]
- **Explanation**: This equation shows the reaction of goethite (\(\text{FeOOH}\)) with hydrogen ions (\(\text{H}^+\)) resulting in the formation of ferric ions (\(\text{Fe}^{3+}\)) and water (\(\text{H}_2\text{O}\)).
2. **Reaction of Ferrihydrite**:
\[
\text{Fe(OH)}_3\text{(ferrihydrite)} + 3 \text{ H}^+ \rightarrow \text{Fe}^{3+} + 3 \text{ H}_2\text{O}
\]
- **Explanation**: This reaction illustrates the dissolution of ferrihydrite (\(\text{Fe(OH)}_3\)) when exposed to hydrogen ions, resulting in ferric ions and water.
These reactions are significant in understanding the weathering of iron minerals and the mobility of iron in aqueous environments. The different stoichiometries of water in these equations highlight the structural differences between goethite and ferrihydrite.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F50bf679e-c229-490b-91d0-8a5b8f84bb57%2F2398cad6-77ae-4a51-810d-aac47908f630%2F5mbz8p_processed.jpeg&w=3840&q=75)
Transcribed Image Text:### Chemical Reactions Involving Iron Compounds
This image presents two chemical reactions that involve the dissolution of iron hydroxides in the presence of hydrogen ions.
1. **Reaction of Goethite**:
\[
\text{FeOOH}_{\text{goethite}} + 3 \text{ H}^+ \rightarrow \text{Fe}^{3+} + 2 \text{ H}_2\text{O}
\]
- **Explanation**: This equation shows the reaction of goethite (\(\text{FeOOH}\)) with hydrogen ions (\(\text{H}^+\)) resulting in the formation of ferric ions (\(\text{Fe}^{3+}\)) and water (\(\text{H}_2\text{O}\)).
2. **Reaction of Ferrihydrite**:
\[
\text{Fe(OH)}_3\text{(ferrihydrite)} + 3 \text{ H}^+ \rightarrow \text{Fe}^{3+} + 3 \text{ H}_2\text{O}
\]
- **Explanation**: This reaction illustrates the dissolution of ferrihydrite (\(\text{Fe(OH)}_3\)) when exposed to hydrogen ions, resulting in ferric ions and water.
These reactions are significant in understanding the weathering of iron minerals and the mobility of iron in aqueous environments. The different stoichiometries of water in these equations highlight the structural differences between goethite and ferrihydrite.
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