The absorbance values at 250nm of 5 standard solutions, and sample solution of a drug are given below: Conc. (ug/ml) A 250 nm 10 0.168 20. 0.329 30 0.508 40. 0.660 50 0.846 Sample. 0.661 Calculate the concentration of the sample

The absorbance values at 250nm of 5 standard solutions, and sample solution of a drug are given below: Conc. (ug/ml) A 250 nm 10 0.168 20. 0.329 30 0.508 40. 0.660 50 0.846 Sample. 0.661 Calculate the concentration of the sample

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter16: Applications Of Neutralization Titrations

Section: Chapter Questions

Problem 16.18QAP

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Spectroanalytical Methods

Spectroanalytical methods measure the wavelength and intensity of radiations that are either emitted or absorbed by a molecular or atomic species. These methods are useful for evaluating the electronic or atomic arrangement of the molecules of a given analyte.

Question

The absorbance values at 250nm of 5 standard solutions, and sample solution
of a drug are given below:
Conc. (ug/ml) A 250 nm
10 0.168
20. 0.329
30 0.508
40. 0.660
50 0.846
Sample. 0.661
Calculate the concentration of the sample

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