Examine the given Beer's law standard curve for an unknown dye measured in a 1.0 cm cuvette.Absorbance of Unknown Dyeat 542 nm0.50.450.40.350.30.250.2y = 15200x - 0.018.0.150.15.00E-061.00E-051.50E-052.00E-052,50E-053.00E-053.50E-05Concentration (M)What is the molar absorptivity (in M-1cm-1) of the unknown dye at 542 nm?Type answer:0.25IncorrectAbsorbance at 542 nm

The question is based on the concept of Lambert beer's law. It states that absorbance of a solution…

at 542 hm 0.5 45 0.4 35 0.3 25 0.2 15 y = 15200x - 0.018. 0.1 5.00E-06 1.00E-05 1.50E-05 2.00E-05 2.50E-05 3.00E-05 3.50E-05 Concentration (M) s the molar absorptivity (in M¯1cm-1) of the unknown dye at 542 nm? nswer: correct

at 542 hm 0.5 45 0.4 35 0.3 25 0.2 15 y = 15200x - 0.018. 0.1 5.00E-06 1.00E-05 1.50E-05 2.00E-05 2.50E-05 3.00E-05 3.50E-05 Concentration (M) s the molar absorptivity (in M¯1cm-1) of the unknown dye at 542 nm? nswer: correct

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

Examine the given Beer's law standard curve for an unknown dye measured in a 1.0 cm cuvette.
Absorbance of Unknown Dye
at 542 nm
0.5
0.45
0.4
0.35
0.3
0.25
0.2
y = 15200x - 0.018.
0.15
0.1
5.00E-06
1.00E-05
1.50E-05
2.00E-05
2,50E-05
3.00E-05
3.50E-05
Concentration (M)
What is the molar absorptivity (in M-1cm-1) of the unknown dye at 542 nm?
Type answer:
0.25
Incorrect
Absorbance at 542 nm

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