Analysis of two components by visible spectroscopy The absorbances of pure solutions of X (1.00 x 10 M) and Y (2.00 x 10+ M) at 440 nm and 545 nm in a 1 cm cell are: Ax 40 = 0.374, Ax545=0.009, AY40 = 0.019, Ays4s = 0.475 a. Calculate the molar absorptivities (c) of X and Y at cach wavelength. 440 nm 545 nm E (X) E (Y) b. An mixture of unknown concentration of X and Y ions was analyzed by measuring the absorbance at two wavelengths (440 nm and 545 nm) in a 1 cm cell. The following results are obtained: Atoam - 0.405, As45mm - 0.712 Calculate [X] and [Y] in the mixture.
Analysis of two components by visible spectroscopy The absorbances of pure solutions of X (1.00 x 10 M) and Y (2.00 x 10+ M) at 440 nm and 545 nm in a 1 cm cell are: Ax 40 = 0.374, Ax545=0.009, AY40 = 0.019, Ays4s = 0.475 a. Calculate the molar absorptivities (c) of X and Y at cach wavelength. 440 nm 545 nm E (X) E (Y) b. An mixture of unknown concentration of X and Y ions was analyzed by measuring the absorbance at two wavelengths (440 nm and 545 nm) in a 1 cm cell. The following results are obtained: Atoam - 0.405, As45mm - 0.712 Calculate [X] and [Y] in the mixture.
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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