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)
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...
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![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)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd0c5b628-ef09-4975-8e72-e8a41c63e058%2F6e6be17b-35c2-4078-aa74-1d26a822c731%2Fxppptia_processed.png&w=3840&q=75)
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)
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:
€ =
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