Item 23: Question In its protonated form, bromothymol blue has a molar absorptivity of 13800 M¹cm¹ at 435 nm. At the same wavelength, the deprotonated form of bromothymol blue has a molar absorptivity of 3410 M¹ cm ¹¹. If a solution contains 2.80 x 105 M protonated bromothymol blue and 5.00 x 10 5 M deprotonated bromothymol blue, what is the absorbance of the solution in a 1.00-cm sample cell at 435 nm? 0.228 0.557 0.785 1.34
Item 23: Question In its protonated form, bromothymol blue has a molar absorptivity of 13800 M¹cm¹ at 435 nm. At the same wavelength, the deprotonated form of bromothymol blue has a molar absorptivity of 3410 M¹ cm ¹¹. If a solution contains 2.80 x 105 M protonated bromothymol blue and 5.00 x 10 5 M deprotonated bromothymol blue, what is the absorbance of the solution in a 1.00-cm sample cell at 435 nm? 0.228 0.557 0.785 1.34
Introduction to General, Organic and Biochemistry
11th Edition
ISBN:9781285869759
Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Chapter8: Acids And Bases
Section: Chapter Questions
Problem 8.81P
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23. How do you set up and solve absorbance problems like this?
![Item 23: Question
In its protonated form, bromothymol blue has a molar absorptivity of 13800 M²¹ cm ²¹ at 435 nm.
At the same wavelength, the deprotonated form of bromothymol blue has a molar absorptivity of
3410 M¹ cm ¹. If a solution contains 2.80 x 105 M protonated bromothymol blue and 5.00 x 10
5 M deprotonated bromothymol blue, what is the absorbance of the solution in a 1.00-cm sample
cell at 435 nm?
0.228
0.557
0.785
1.34](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb8d8cfad-e835-4d24-9d1e-941fcbe41049%2F52af1b63-ba0c-4611-bd76-5fa4a059bb9b%2Fcevjeb_processed.png&w=3840&q=75)
Transcribed Image Text:Item 23: Question
In its protonated form, bromothymol blue has a molar absorptivity of 13800 M²¹ cm ²¹ at 435 nm.
At the same wavelength, the deprotonated form of bromothymol blue has a molar absorptivity of
3410 M¹ cm ¹. If a solution contains 2.80 x 105 M protonated bromothymol blue and 5.00 x 10
5 M deprotonated bromothymol blue, what is the absorbance of the solution in a 1.00-cm sample
cell at 435 nm?
0.228
0.557
0.785
1.34
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