(a) Interpretation: The standard potential for the following reaction should be predicted. Ag 3 AsO 4 ( s ) + 3 e − ⇌ 3Ag ( s ) + AsO 4 3 − Concept introduction: Indicator electrode is a type of electrode that is used in potentiometric titrations. It is used as an endpoint indicator. Membrane electrode and metallic electrodes are classify as indicator electrodes

BuyFind

Principles of Instrumental Analysis

7th Edition
Douglas A. Skoog + 2 others
Publisher: Cengage Learning
ISBN: 9781305577213
BuyFind

Principles of Instrumental Analysis

7th Edition
Douglas A. Skoog + 2 others
Publisher: Cengage Learning
ISBN: 9781305577213

Solutions

Chapter 23, Problem 23.15QAP
Interpretation Introduction

(a)

Interpretation:

The standard potential for the following reaction should be predicted.

Ag3AsO4(s)+3e3Ag(s)+AsO43

Concept introduction:

Indicator electrode is a type of electrode that is used in potentiometric titrations. It is used as an endpoint indicator. Membrane electrode and metallic electrodes are classify as indicator electrodes

Interpretation Introduction

(b)

Interpretation:

The schematic representation of a cell with a silver indicator electrode and a reference SCE should be stated.

Concept introduction:

Indicator electrode is a type of electrode that is used in potentiometric titrations. It is used as an endpoint indicator. Membrane electrode and metallic electrodes are classify as indicator electrodes

Interpretation Introduction

(c)

Interpretation:

The equation that relates the measured potential of the cell in (b) to pAsO4 should be predicted.

Concept introduction:

Indicator electrode is a type of electrode that is used in potentiometric titrations. It is used as an endpoint indicator. Membrane electrode and metallic electrodes are classify as indicator electrodes

Interpretation Introduction

(d)

Interpretation:

The pAsO4 of a solution which is saturated with Ag3AsO4 and contained in the cell described in (b) when the resulting potential is 0.193 V should be predicted.

Concept introduction:

Indicator electrode is a type of electrode that is used in potentiometric titrations. It is used as an endpoint indicator. Membrane electrode and metallic electrodes are classify as indicator electrodes

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