The concentration of a glucose solution was determined via a DNS assay, and it was determined that a 150.0 mM solution would have an absorbance of 0.156. If the pathlength used was 0.95 cm, what is its molar absorptivity constant, in L cm mol 1?

The concentration of a glucose solution was determined via a DNS assay, and it was determined that a 150.0 mM solution would have an absorbance of 0.156. If the pathlength used was 0.95 cm, what is its molar absorptivity constant, in L cm mol 1?

Principles of Instrumental Analysis

7th Edition

ISBN:9781305577213

Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Chapter13: An Introduction To Ultraviolet-visible Molecular Absorption Spectrometry

Section: Chapter Questions

Problem 13.24QAP

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Question

The concentration of a glucose solution was determined via a DNS assay, and it was
determined that a 150.0 mM solution would have an absorbance of 0.156. If the pathlength
used was 0.95 cm, what is its molar absorptivity constant, in L cm mol 1?

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