For the following quetion please read carefully the question and instruction. PLEASE ANSWER QUESTION IN 15 MINTUES NOT MORE PLEASE AND THANK YOU. If you do answer the question correctly and post it in the next 15 minutes, NO NEED TO SHOW THE WORK, I JUST WOULD LIKE THE CORRECT ANSWER AS SOON AS POSSIBLE. I will write a wonderful and generous feedback/review/rating about you.   An unknown chemical has an absorption maximum of 235 nm. ϵ235 = 24.0 M−1cm−1 and the path length is 1.00 cm. Using a spectrophotometer, you find the that the absorbance A235 = 0.70 . What is the concentration of of the unknown chemical in mol/L? We expect this answer with the correct significant figures and rounded correctly. Please enter your answer in decimal notation.

Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter20: Molecular Spectroscopy And Photochemistry
Section: Chapter Questions
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For the following quetion please read carefully the question and instruction. PLEASE ANSWER QUESTION IN 15 MINTUES NOT MORE PLEASE AND THANK YOU. If you do answer the question correctly and post it in the next 15 minutes, NO NEED TO SHOW THE WORK, I JUST WOULD LIKE THE CORRECT ANSWER AS SOON AS POSSIBLE. I will write a wonderful and generous feedback/review/rating about you.

 

An unknown chemical has an absorption maximum of 235 nm. ϵ235 = 24.0 M−1cm−1 and the path length is 1.00 cm. Using a spectrophotometer, you find the that the absorbance A235 = 0.70 . What is the concentration of of the unknown chemical in mol/L? We expect this answer with the correct significant figures and rounded correctly. Please enter your answer in decimal notation.

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