The extinction coefficient for FD&C Blue Dye #1 is 138,500 cm-L/mol at 630 nm. A chemist collected the following data at 630 nm. The student also found that the absorbance of an FD&C Blue Dye #1 solution of unknown concentration was 0.205. Use your Vernier Graphical Analysis to generate a standard curve from this data set, and use it to determine the concentration of the unknown solution. (Report your final answer to 3 sig figs) Concentration of Blue Dye (M) Absorbance @ 630 nm 6.35x10-7 1.23x10-6 3.84x10-6 5.68x10-6 0.088 0.160 0.541 0.787

The extinction coefficient for FD&C Blue Dye #1 is 138,500 cm-L/mol at 630 nm. A chemist collected the following data at 630 nm. The student also found that the absorbance of an FD&C Blue Dye #1 solution of unknown concentration was 0.205. Use your Vernier Graphical Analysis to generate a standard curve from this data set, and use it to determine the concentration of the unknown solution. (Report your final answer to 3 sig figs) Concentration of Blue Dye (M) Absorbance @ 630 nm 6.35x10-7 1.23x10-6 3.84x10-6 5.68x10-6 0.088 0.160 0.541 0.787

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

Chapter14: Applications Of Ultraviolet-visible Molecular Absorption Spectrometry

Section: Chapter Questions

Problem 14.9QAP

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