The figure below shows a series of standard additions of Cu 2+ to acidified tap water measured

Question:

The figure below shows a series of standard additions of Cu²⁺ to acidified tap water measured by anodic stripping voltammetry at an iridium electrode. The unknown and all standard additions were made up to the same final volume.

(a) What chemical reaction occurs during the concentration stage of the analysis?

(b) What chemical reaction occurs during the stripping stage of the analysis?

The figure below shows a series of standard additions of

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Quantitative Chemical Analysis

ISBN: 978-1429218153

8th edition

Authors: Daniel C. Harris

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Question Posted: Apr 19, 2016 10:02 AM

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The figure below shows a series of standard additions of Cu 2+ to acidified tap water measured

Question:

2.0 +500 ppb + 400 ppb_ 1.6 +300 ppb- + 200 ppb- 1.2 +100 ppb 0.8 Tap water 0.4 0.1 0.2 0.3 0.4 Potential (V vs. Ag AgCl)

Step by Step Answer:

a Concentration deposition stage Cu 2 2e Cus b Stripping stage Cuv Cu 2 2e ...View the full answer

Quantitative Chemical Analysis

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