A solution of ethanol has been contaminated with benzene—a technique employed to make ethanol unfit to drink. Benzene has a molar absorptivity of 230 M-1 cm-1 at 260 nm in ethanol, and ethanol shows no absorbance at 260 nm. How can the concentration of benzene in the solution be determined?

A solution of ethanol has been contaminated with benzene—a technique employed to make ethanol unfit to drink. Benzene has a molar absorptivity of 230 M-1 cm-1 at 260 nm in ethanol, and ethanol shows no absorbance at 260 nm. How can the concentration of benzene in the solution be determined?

Macroscale and Microscale Organic Experiments

7th Edition

ISBN:9781305577190

Author:Kenneth L. Williamson, Katherine M. Masters

Publisher:Kenneth L. Williamson, Katherine M. Masters

Chapter14: Ultraviolet Spectroscopy, Refractive Indices, And Qualitative Instrumental Organic Analysis

Section: Chapter Questions

Problem 4Q

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A solution of ethanol has been contaminated with benzene—a technique employed to make ethanol unfit to drink. Benzene has a molar
absorptivity of 230 M^-1 cm^-1 at 260 nm in ethanol, and ethanol shows no absorbance at 260 nm. How can the concentration of benzene in the solution be determined?

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