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System #12: 0.10 Miron (III) chloride (source of Fe(H20),* complex) 3+ [FeCH20)6]* Kb of FelH20)s cOH)et =1.5 x 1012 + H2O(1) =[Fe(H20)(OH)]+ H30* Reaction with water: pH Calculation:

System #12: 0.10 Miron (III) chloride (source of Fe(H20),* complex) 3+ [FeCH20)6]* Kb of FelH20)s cOH)et =1.5 x 1012 + H2O(1) =[Fe(H20)(OH)]+ H30* Reaction with water: pH Calculation:

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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Please find the pH calculation. 
Kb=1.5•10-12

use ICE table if needed. Result should come out to be about 1.66

**System #12: 0.10 M Iron (III) Chloride (source of Fe(H₂O)₆³⁺ complex)** **Reaction with water:** \[ \text{[Fe(H₂O)₆]³⁺} + \text{H₂O(l)} \rightleftharpoons \text{[Fe(H₂O)₅(OH)]²⁺} + \text{H₃O}⁺ \] **K\(_b\) of \([Fe(H₂O)₅(OH)]²⁺\) = 1.5 × 10⁻¹²** **pH Calculation:** - **Predicted pH:** 1.66 - **pH Paper:** 2 - **pH Meter:** 1.54 Note: The reaction describes the interaction of the iron (III) chloride complex with water, indicating the formation of hydrolyzed species and hydronium ions, affecting the pH of the solution. The K\(_b\) value represents the base dissociation constant for the hydrolyzed complex. The different pH values show predicted and measured acidity levels.
Transcribed Image Text:**System #12: 0.10 M Iron (III) Chloride (source of Fe(H₂O)₆³⁺ complex)** **Reaction with water:** \[ \text{[Fe(H₂O)₆]³⁺} + \text{H₂O(l)} \rightleftharpoons \text{[Fe(H₂O)₅(OH)]²⁺} + \text{H₃O}⁺ \] **K\(_b\) of \([Fe(H₂O)₅(OH)]²⁺\) = 1.5 × 10⁻¹²** **pH Calculation:** - **Predicted pH:** 1.66 - **pH Paper:** 2 - **pH Meter:** 1.54 Note: The reaction describes the interaction of the iron (III) chloride complex with water, indicating the formation of hydrolyzed species and hydronium ions, affecting the pH of the solution. The K\(_b\) value represents the base dissociation constant for the hydrolyzed complex. The different pH values show predicted and measured acidity levels.
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