UV-Vis absorbance data for molecule X collected at 425 nm using a 2.50 cm cuvet is given in the table. [X] (ppm) [X] (M) %T T A 0.00 0.00 100.0 1.000 0.000 10.0 1.00 × 10-4 49.4 0.494 0.306 15.0 1.50 × 10–4 34.9 0.349 0.457 20.0 2.00 x 10¬4 25.3 0.253 0.597 25.0 2.50 × 10¬4 17.3 0.173 0.761 30.0 3.00 x 10¬4 15.4 0.154 0.813 35.0 3.50 x 10-4 13.9 0.139 0.857 Prepare a plot using the linear range of the data to determine the molar absorptivity. What should be plotted on each axis to determine the molar absorptivity of molecule X at this wavelength? х-ахis у-ахis [X] (M) %T [X] (ppm) A A [X] (M)

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
icon
Related questions
Question
UV-Vis absorbance data for molecule X collected at 425 nm using a 2.50 cm cuvet is given in the table.
[X] (ppm)
[X] (M)
%T
T
A
0.00
0.00
100.0
1.000
0.000
10.0
1.00 × 10–4
49.4
0.494
0.306
15.0
1.50 x 10-4
34.9
0.349
0.457
20.0
2.00 x 10-4
25.3
0.253
0.597
25.0
2.50 x 10-4
17.3
0.173
0.761
30.0
3.00 x 10-4
15.4
0.154
0.813
35.0
3.50 x 10-4
13.9
0.139
0.857
Prepare a plot using the linear range of the data to determine the molar absorptivity. What should be plotted on each axis to
determine the molar absorptivity of molecule X at this wavelength?
х-ахis
у-ахis
[X] (M)
%T
O [X] (ppm)
[X] (M)
Transcribed Image Text:UV-Vis absorbance data for molecule X collected at 425 nm using a 2.50 cm cuvet is given in the table. [X] (ppm) [X] (M) %T T A 0.00 0.00 100.0 1.000 0.000 10.0 1.00 × 10–4 49.4 0.494 0.306 15.0 1.50 x 10-4 34.9 0.349 0.457 20.0 2.00 x 10-4 25.3 0.253 0.597 25.0 2.50 x 10-4 17.3 0.173 0.761 30.0 3.00 x 10-4 15.4 0.154 0.813 35.0 3.50 x 10-4 13.9 0.139 0.857 Prepare a plot using the linear range of the data to determine the molar absorptivity. What should be plotted on each axis to determine the molar absorptivity of molecule X at this wavelength? х-ахis у-ахis [X] (M) %T O [X] (ppm) [X] (M)
units of slope:
m =
M-!
Report the y-intercept, b, of the plot and its units.
units of y-intercept:
b =
* TOOLS
unitless
y
x10
Use the plot to determine the molar absorptivity, e, of molecule X at this wavelength and its units.
units of molar absorptivity:
€ =
Transcribed Image Text:units of slope: m = M-! Report the y-intercept, b, of the plot and its units. units of y-intercept: b = * TOOLS unitless y x10 Use the plot to determine the molar absorptivity, e, of molecule X at this wavelength and its units. units of molar absorptivity: € =
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 1 images

Blurred answer
Knowledge Booster
Spectroanalytical Methods
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.
Similar questions
Recommended textbooks for you
Chemistry
Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning
Chemistry
Chemistry
Chemistry
ISBN:
9781259911156
Author:
Raymond Chang Dr., Jason Overby Professor
Publisher:
McGraw-Hill Education
Principles of Instrumental Analysis
Principles of Instrumental Analysis
Chemistry
ISBN:
9781305577213
Author:
Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:
Cengage Learning
Organic Chemistry
Organic Chemistry
Chemistry
ISBN:
9780078021558
Author:
Janice Gorzynski Smith Dr.
Publisher:
McGraw-Hill Education
Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
Chemistry
ISBN:
9781305079373
Author:
William L. Masterton, Cecile N. Hurley
Publisher:
Cengage Learning
Elementary Principles of Chemical Processes, Bind…
Elementary Principles of Chemical Processes, Bind…
Chemistry
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY