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In a spectrophotometry experiment, (34.1±0.2)% of the light (=I/Io) was transmitted through the sample. The molar absorptivity, e, of the analyzed was measured separately and determined to be (1.47±0.03)×104M' cm', and the path length of light, b, was (1.00 + 0.01) cm. Determine what is the concentration and the uncertainty in concentration of the analyte, with proper units. Be sure to show your work. In this problem you will need to use Beer's Law.

In a spectrophotometry experiment, (34.1±0.2)% of the light (=I/Io) was transmitted through the sample. The molar absorptivity, e, of the analyzed was measured separately and determined to be (1.47±0.03)×104M' cm', and the path length of light, b, was (1.00 + 0.01) cm. Determine what is the concentration and the uncertainty in concentration of the analyte, with proper units. Be sure to show your work. In this problem you will need to use Beer's Law.

Chemistry
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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Styles Styles Pane Dicm 6 In a spectrophotometry experiment, (34.1±0.2)% of the light (=I/lo) was transmitted through the sample. The molar absorptivity, e, of the analyzed was measured separately and determined to be (1.47±0.03)×104M' cm', and the path length of light, b, was (1.00 + 0.01) cm. Determine what is the concentration and the uncertainty in concentration of the analyte, with proper units. Be sure to show your work. In this problem you will need to use Beer's Law.
Transcribed Image Text:Styles Styles Pane Dicm 6 In a spectrophotometry experiment, (34.1±0.2)% of the light (=I/lo) was transmitted through the sample. The molar absorptivity, e, of the analyzed was measured separately and determined to be (1.47±0.03)×104M' cm', and the path length of light, b, was (1.00 + 0.01) cm. Determine what is the concentration and the uncertainty in concentration of the analyte, with proper units. Be sure to show your work. In this problem you will need to use Beer's Law.
e oiar absorptivity, ɛ, of the analyzed was mea ±0.03)×10ª M-' cm', and the path length of lig e what is the concentration and the uncertainty in its. Be sure to show your work. In this problem -1 A = –log10 () -log10 2.303 =,207 In (-) ɛbc ed to reduce the uncertainty in your final result, w ments should you focus on making better? Or equi nty in fraction of light absorbed, uncertainty in mo oth) cotributes most to the overall uncertainty in t
Transcribed Image Text:e oiar absorptivity, ɛ, of the analyzed was mea ±0.03)×10ª M-' cm', and the path length of lig e what is the concentration and the uncertainty in its. Be sure to show your work. In this problem -1 A = –log10 () -log10 2.303 =,207 In (-) ɛbc ed to reduce the uncertainty in your final result, w ments should you focus on making better? Or equi nty in fraction of light absorbed, uncertainty in mo oth) cotributes most to the overall uncertainty in t
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-log10II0=εbcc=-log10II0εb

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