Chosen wavelength : 400 nm EDTA Volume (mL) Absorbance O mL 0.445 1 mL 0.439 2 ml 0.434 3 ml 0.428 4 ml 0.388 5 ml 0.352 6 ml 0.351 7 ml 0.320 8 mL 0.289 9 ml 0.275 10 mL 0.263 11 ml 0.256 Explain why the selected wavelength was chosen for inspection of the titration.

Chosen wavelength : 400 nm EDTA Volume (mL) Absorbance O mL 0.445 1 mL 0.439 2 ml 0.434 3 ml 0.428 4 ml 0.388 5 ml 0.352 6 ml 0.351 7 ml 0.320 8 mL 0.289 9 ml 0.275 10 mL 0.263 11 ml 0.256 Explain why the selected wavelength was chosen for inspection of the titration.

Principles of Instrumental Analysis

7th Edition

ISBN:9781305577213

Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Chapter1: Introduction

Section: Chapter Questions

Problem 1.9QAP

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Concept explainers

Spectroanalytical Methods

Spectroanalytical methods measure the wavelength and intensity of radiations that are either emitted or absorbed by a molecular or atomic species. These methods are useful for evaluating the electronic or atomic arrangement of the molecules of a given analyte.

Question

Chosen wavelength:
400
EDTA Volume (mL)
Absorbance
O mL
0.445
1 ml
0.439
2 ml
0.434
3 ml
0.428
4 ml
0.388
5 ml
0.352
6 ml
0.351
7 ml
0.320
8 ml
0.289
9 ml
0.275
10 mL
0.263
11 mL
0.256
Explain why the selected wavelength was chosen for inspection of the titration.

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