Complete the information on these tables: wavelength 470 nm conc Um absorbance % transmission 700 0.45 35.58% 500 0.32 47.78% 300 0.19 64.2% 100 0.06 86.23% wavelength 502 nm conc Um absorbance % transmission 700 1.08 8.37% 500 0.77 16.99% 300 0.46 34.57% 100 0.15 70.15% Which mathematical relationship is most useful to relate concentration to the amount of light passing through the solution? (% Transmission, or Absorbance), Why? How does the slope of the absorbance/concentration graph vary with wavelength? Is there an “optimum” wavelength for your KMnO4 sample?
Complete the information on these tables: wavelength 470 nm conc Um absorbance % transmission 700 0.45 35.58% 500 0.32 47.78% 300 0.19 64.2% 100 0.06 86.23% wavelength 502 nm conc Um absorbance % transmission 700 1.08 8.37% 500 0.77 16.99% 300 0.46 34.57% 100 0.15 70.15% Which mathematical relationship is most useful to relate concentration to the amount of light passing through the solution? (% Transmission, or Absorbance), Why? How does the slope of the absorbance/concentration graph vary with wavelength? Is there an “optimum” wavelength for your KMnO4 sample?
Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter6: The Structure Of Atoms
Section: Chapter Questions
Problem 66GQ: The most prominent line in the emission spectrum of chromium is found at 425.4 nm. Other lines in...
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Complete the information on these tables:
wavelength 470 nm
|
||
conc Um |
absorbance |
% transmission |
700 |
0.45 |
35.58% |
500 |
0.32 |
47.78% |
300 |
0.19 |
64.2% |
100 |
0.06 |
86.23% |
wavelength 502 nm
|
||
conc Um |
absorbance |
% transmission |
700 |
1.08 |
8.37% |
500 |
0.77 |
16.99% |
300 |
0.46 |
34.57% |
100 |
0.15 |
70.15% |
- Which mathematical relationship is most useful to relate concentration to the amount of light passing through the solution? (% Transmission, or Absorbance), Why?
- How does the slope of the absorbance/concentration graph vary with wavelength? Is there an “optimum” wavelength for your KMnO4 sample?
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