mechanism by which the potential of a platinum elect solution of Fe(II) and Fe(III) in 1 M HCl. Approximatel ctrode potential by 100 mV? Why does the potential be II) and Fe(III), even if the ratio of their concentrations fact reflect thermodynamic considerations? How well ion selective electrode

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u = (2)²)
id (spheri
Date
чис
Subject
Month
Year.
58
3.9 Discuss the mechanism by which the potential of a platinum electrode becomes poised by immer-
sion into a solution of Fe(II) and Fe(III) in 1 M HCl. Approximately how much charge is required to
shift the electrode potential by 100 mV? Why does the potential become uncertain at low concentra-
tions of Fe(II) and Fe(III), even if the ratio of their concentrations is held near unity? Does this ex-
perimental fact reflect thermodynamic considerations? How well do your answers to these issues
apply to the establishment of potential at an ion-selective electrode?
فصل دوم
مراجع استاد
Transcribed Image Text:u = (2)²) id (spheri Date чис Subject Month Year. 58 3.9 Discuss the mechanism by which the potential of a platinum electrode becomes poised by immer- sion into a solution of Fe(II) and Fe(III) in 1 M HCl. Approximately how much charge is required to shift the electrode potential by 100 mV? Why does the potential become uncertain at low concentra- tions of Fe(II) and Fe(III), even if the ratio of their concentrations is held near unity? Does this ex- perimental fact reflect thermodynamic considerations? How well do your answers to these issues apply to the establishment of potential at an ion-selective electrode? فصل دوم مراجع استاد
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