Saved v Question: I've done both of the graphs and generated an equation from excel, I just need help explaining A-B. Below is just the information I used to get the graphs obtain the graph please help. Prepare two graphs, the first with the percent transmission on the vertical axis and concentration on the horizontal axis and the second with absorption on the vertical axis and concentration on the horizontal axis. Solution # Unknown Concentration (mol/L) Transmittance Absorption 9.88x101 635 0.17 1.98x101 47% 0.33 2.95x101 31% 0.51 3.95x10 21% 0.68 4.94x10 14% 24% 0.85 0.62 A.) Give an equation that relates either the % transmission or the absorption to the concentration. Explain how you arrived at your equation. B.) What is the relationship between the percent transmission and the absorption? C.) Determine the concentration of the ironlll) salicylate in the unknown directly from the graph and from the best fit trend-line (least squares analysis) of the graph that yielded a straight line. % Transmittance 80% 70% 60% 50% 4094 30% 20% 10% Iron(III) Salicylate solution 0% 2 Absorption 0.8 0.6 0.4 0.2 2 Concentration (mfol/L) Iron (III) Graph 2 y-0.1146x + 0.1273 Q Ο L y=-0.094x+ 0.6707 concentration (mol/L) נו 99+ Focus ?® X W
Saved v Question: I've done both of the graphs and generated an equation from excel, I just need help explaining A-B. Below is just the information I used to get the graphs obtain the graph please help. Prepare two graphs, the first with the percent transmission on the vertical axis and concentration on the horizontal axis and the second with absorption on the vertical axis and concentration on the horizontal axis. Solution # Unknown Concentration (mol/L) Transmittance Absorption 9.88x101 635 0.17 1.98x101 47% 0.33 2.95x101 31% 0.51 3.95x10 21% 0.68 4.94x10 14% 24% 0.85 0.62 A.) Give an equation that relates either the % transmission or the absorption to the concentration. Explain how you arrived at your equation. B.) What is the relationship between the percent transmission and the absorption? C.) Determine the concentration of the ironlll) salicylate in the unknown directly from the graph and from the best fit trend-line (least squares analysis) of the graph that yielded a straight line. % Transmittance 80% 70% 60% 50% 4094 30% 20% 10% Iron(III) Salicylate solution 0% 2 Absorption 0.8 0.6 0.4 0.2 2 Concentration (mfol/L) Iron (III) Graph 2 y-0.1146x + 0.1273 Q Ο L y=-0.094x+ 0.6707 concentration (mol/L) נו 99+ Focus ?® X W
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
Chapter11: Properties Of Solutions
Section: Chapter Questions
Problem 117AE: Patients undergoing an upper gastrointestinal tract laboratory test are typically given an X-ray...
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Question: I've done both of the graphs and generated an equation from excel, I just need help
explaining A-B. Below is just the information I used to get the graphs obtain the graph please help.
Prepare two graphs, the first with the percent transmission on the vertical axis and concentration on
the horizontal axis and the second with absorption on the vertical axis and concentration on the
horizontal axis.
Solution #
Unknown
Concentration (mol/L)
Transmittance
Absorption
9.88x101
635
0.17
1.98x101
47%
0.33
2.95x101
31%
0.51
3.95x10
21%
0.68
4.94x10
14%
24%
0.85
0.62
A.) Give an equation that relates either the % transmission or the absorption to the concentration. Explain how you
arrived at your equation.
B.) What is the relationship between the percent transmission and the absorption?
C.) Determine the concentration of the ironlll) salicylate in the unknown directly from the graph and from the best fit
trend-line (least squares analysis) of the graph that yielded a straight line.
% Transmittance
80%
70%
60%
50%
4094
30%
20%
10%
Iron(III) Salicylate solution
0%
2
Absorption
0.8
0.6
0.4
0.2
2
Concentration (mfol/L)
Iron (III) Graph 2
y-0.1146x + 0.1273
Q
Ο
L
y=-0.094x+ 0.6707
concentration (mol/L)
נו
99+
Focus
?®
X
W
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