Absorbance 05 0.45 04 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 200 Absorption Spectrum of CoCl₂(aq) 300 400 500 Wavelength (nm) Figure 1: Absorption Profile for cobalt (II) chloride¹ 600 700 800 Absorbance 0.6 0.5 04 0.3 0.2 0.1 0 max y=4.8571x+0.0038 0.05 Concentration (M) 01 Figure 2: Cobalt (II) chloride standard curve (Beer's Law Plot) ¹www.ucirvine.instructre.com 2. Place an arrow at the maximum absorbance and extrapolate the wavelength max. max = include the unit). (be sure 3. Determine by concentration of an unknown solution of cobalt (II) chloride having an absorbance of 0.25. a. Method 1: Extrapolation (mark the concentration on the plot) b. Method 2: Calculation (show your work)
Absorbance 05 0.45 04 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 200 Absorption Spectrum of CoCl₂(aq) 300 400 500 Wavelength (nm) Figure 1: Absorption Profile for cobalt (II) chloride¹ 600 700 800 Absorbance 0.6 0.5 04 0.3 0.2 0.1 0 max y=4.8571x+0.0038 0.05 Concentration (M) 01 Figure 2: Cobalt (II) chloride standard curve (Beer's Law Plot) ¹www.ucirvine.instructre.com 2. Place an arrow at the maximum absorbance and extrapolate the wavelength max. max = include the unit). (be sure 3. Determine by concentration of an unknown solution of cobalt (II) chloride having an absorbance of 0.25. a. Method 1: Extrapolation (mark the concentration on the plot) b. Method 2: Calculation (show your work)
Physical Chemistry
2nd Edition
ISBN:9781133958437
Author:Ball, David W. (david Warren), BAER, Tomas
Publisher:Ball, David W. (david Warren), BAER, Tomas
Chapter15: Introduction To Electronic Spectroscopy And Structure
Section: Chapter Questions
Problem 15.60E
Related questions
Question
Transcribed Image Text:Absorbance
0.5
0.45
04
0.35
0.3
0.25
0.2
0.15
0.1
0.05
0
200
Absorption Spectrum of CoCl₂(aq)
300
400
600
500
Wavelength (nm)
Figure 1: Absorption Profile for cobalt (II) chloride¹
700
800
Absorbance
06
0.5
04
0.3
0.2
0.1
0
Beer
0
max
y=4.8571x+00038
0.05
Concentration (M)
01
Figure 2: Cobalt (II) chloride standard curve (Beer's Law Plot)
¹www.ucirvine.instructre.com
2. Place an arrow at the maximum absorbance and extrapolate the wavelength max. Amax =
include the unit).
(be sure
3. Determine by concentration of an unknown solution of cobalt (II) chloride having an absorbance of 0.25.
a. Method 1: Extrapolation (mark the concentration on the plot)
b. Method 2: Calculation (show your work)
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 4 steps with 2 images
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.Recommended textbooks for you
Physical Chemistry
Chemistry
ISBN:
9781133958437
Author:
Ball, David W. (david Warren), BAER, Tomas
Publisher:
Wadsworth Cengage Learning,
Principles of Modern Chemistry
Chemistry
ISBN:
9781305079113
Author:
David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:
Cengage Learning
Principles of Instrumental Analysis
Chemistry
ISBN:
9781305577213
Author:
Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:
Cengage Learning
Physical Chemistry
Chemistry
ISBN:
9781133958437
Author:
Ball, David W. (david Warren), BAER, Tomas
Publisher:
Wadsworth Cengage Learning,
Principles of Modern Chemistry
Chemistry
ISBN:
9781305079113
Author:
David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:
Cengage Learning
Principles of Instrumental Analysis
Chemistry
ISBN:
9781305577213
Author:
Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:
Cengage Learning