Questions 11 and 12 refer to the same set of absorbance readings that were taken on metal-EDTA complexes in a different solution known to contain cobalt and nickel. The cuvette width is 1.00 cm. Given the following, what is the concentration of Co2+ in solution? (Four decimal places) Given the following, what is the concentration of Ni2+ in solution? (Four decimal places)
Questions 11 and 12 refer to the same set of absorbance readings that were taken on metal-EDTA complexes in a different solution known to contain cobalt and nickel. The cuvette width is 1.00 cm. Given the following, what is the concentration of Co2+ in solution? (Four decimal places) Given the following, what is the concentration of Ni2+ in solution? (Four decimal places)
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
Chapter10: Atomic Emission Spectrometry
Section: Chapter Questions
Problem 10.8QAP
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Questions 11 and 12 refer to the same set of absorbance readings that were taken on metal-EDTA complexes in a different solution known to contain cobalt and nickel. The cuvette width is 1.00 cm.
Given the following, what is the concentration of Co2+ in solution? (Four decimal places)
Given the following, what is the concentration of Ni2+ in solution? (Four decimal places)
Transcribed Image Text:Reading
1
2
λ (nm)
462.9
378.7
Absorbance
0.604
0.294
& for Co²+
(M-¹cm-¹)
15.8
3.11
ε for Ni²+
(M-¹cm-1¹)
1.79
13.5
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