titration of 50.00 mL of 0.1100 M Fe3+ with 0.07750 M Sn2+ is carried out. The analytical reaction is 2Fe3+ + Sn2+ ⇋ 2Fe2+ + Sn4+ and Fe3+ + e− ⇋ Fe2+ E° = +0.732 V Sn4+ + 2e− ⇋ Sn2+ E° = +0.139 V What is the potential after 8.00 mL of Sn2+ has been added?

titration of 50.00 mL of 0.1100 M Fe3+ with 0.07750 M Sn2+ is carried out. The analytical reaction is 2Fe3+ + Sn2+ ⇋ 2Fe2+ + Sn4+ and Fe3+ + e− ⇋ Fe2+ E° = +0.732 V Sn4+ + 2e− ⇋ Sn2+ E° = +0.139 V What is the potential after 8.00 mL of Sn2+ has been added?

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter16: Applications Of Neutralization Titrations

Section: Chapter Questions

Problem 16.20QAP

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Question

100%

A titration of 50.00 mL of 0.1100 M Fe³⁺ with 0.07750 M Sn²⁺ is carried out. The analytical reaction is

2Fe³⁺ + Sn²⁺ ⇋ 2Fe²⁺ + Sn⁴⁺

and

Fe³⁺ + e⁻ ⇋ Fe²⁺ E° = +0.732 V

Sn⁴⁺ + 2e⁻ ⇋ Sn²⁺ E° = +0.139 V

What is the potential after 8.00 mL of Sn²⁺ has been added?

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