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Worked Example #2: You need to determine the concentration of an unknown solution of benzoic acid. You prepare the solutions below at the following concentrations and measure their absorbance at 230 nm. You also measure the absorbance of your unknown to be 0.3128 at 230 nm. What is the concentration of the unknown solution if the path length is 1.1 cm? Concentration (M) Absorbance 0.0005 0.0003 0.0002 0.00007 0.00004 1.0584 0.6605 0.3535 0.2057 0.1033

Worked Example #2: You need to determine the concentration of an unknown solution of benzoic acid. You prepare the solutions below at the following concentrations and measure their absorbance at 230 nm. You also measure the absorbance of your unknown to be 0.3128 at 230 nm. What is the concentration of the unknown solution if the path length is 1.1 cm? Concentration (M) Absorbance 0.0005 0.0003 0.0002 0.00007 0.00004 1.0584 0.6605 0.3535 0.2057 0.1033

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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Worked Example #2: You need to determine the concentration of an unknown solution of benzoic acid. You prepare the solutions below at the following concentrations and measure their absorbance at 230 nm. You also measure the absorbance of your unknown to be 0.3128 at 230 nm. What is the concentration of the unknown solution if the path length is 1.1 cm? Concentration (M) Absorbance 0.0005 0.0003 0.0002 0.00007 0.00004 0.00002 1.00E-05 2.00E-06 1.0584 0.6605 0.3535 0.2057 0.1033 0.0433 0.0237 0.0001 25
Transcribed Image Text:Worked Example #2: You need to determine the concentration of an unknown solution of benzoic acid. You prepare the solutions below at the following concentrations and measure their absorbance at 230 nm. You also measure the absorbance of your unknown to be 0.3128 at 230 nm. What is the concentration of the unknown solution if the path length is 1.1 cm? Concentration (M) Absorbance 0.0005 0.0003 0.0002 0.00007 0.00004 0.00002 1.00E-05 2.00E-06 1.0584 0.6605 0.3535 0.2057 0.1033 0.0433 0.0237 0.0001 25
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