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
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...
icon
Related questions
Question
Hand written solutions are strictly prohibited
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
Expert Solution
steps

Step by step

Solved in 3 steps with 3 images

Blurred answer
Knowledge Booster
Mass Spectrometry
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.
Recommended textbooks for you
Chemistry
Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning
Chemistry
Chemistry
Chemistry
ISBN:
9781259911156
Author:
Raymond Chang Dr., Jason Overby Professor
Publisher:
McGraw-Hill Education
Principles of Instrumental Analysis
Principles of Instrumental Analysis
Chemistry
ISBN:
9781305577213
Author:
Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:
Cengage Learning
Organic Chemistry
Organic Chemistry
Chemistry
ISBN:
9780078021558
Author:
Janice Gorzynski Smith Dr.
Publisher:
McGraw-Hill Education
Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
Chemistry
ISBN:
9781305079373
Author:
William L. Masterton, Cecile N. Hurley
Publisher:
Cengage Learning
Elementary Principles of Chemical Processes, Bind…
Elementary Principles of Chemical Processes, Bind…
Chemistry
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY