What is the molar extinction coefficient at 625 nm for this copper (II) acetate solution? How was it determined?Can the calibration curve be used to accurately predict the absorbance of 0.0150 M copper (II) acetate solution at 625? Why or why not? Absorbance vs. ConcentrationAbsorbance- 2.71"x+ -0.0118 R = 0.9890.80.60,40.20.00.050.100.150.200.25ConcentrationTable 1StandardConcentrationAbsorbanceSolution(М)10.0250.04920.0500.15330.1000.24240.2000.49950.2500.694Absorbance

Given A data table with various concentration values and the corresponding absorbance values, for…

What is the molar extinction coefficient at 625 nm for this copper (II) acetate solution? How was it determined? Can the calibration curve be used to accurately predict the absorbance of 0.0150 M copper (II) acetate solution at 625? Why or why not?

What is the molar extinction coefficient at 625 nm for this copper (II) acetate solution? How was it determined? Can the calibration curve be used to accurately predict the absorbance of 0.0150 M copper (II) acetate solution at 625? Why or why not?

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter24: Introduction To Spectrochemical Methods

Section: Chapter Questions

Problem 24.16QAP

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Question

What is the molar extinction coefficient at 625 nm for this copper (II) acetate solution? How was it determined?

Can the calibration curve be used to accurately predict the absorbance of 0.0150 M copper (II) acetate solution at 625? Why or why not?

Absorbance vs. Concentration
Absorbance
- 2.71"x+ -0.0118 R = 0.989
0.8
0.6
0,4
0.2
0.0
0.05
0.10
0.15
0.20
0.25
Concentration
Table 1
Standard
Concentration
Absorbance
Solution
(М)
1
0.025
0.049
2
0.050
0.153
3
0.100
0.242
4
0.200
0.499
5
0.250
0.694
Absorbance

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