The equilibrium constant for the conjugate acid/base pair is8.0 x10-5HIn + H₂OH3O+ + In. From additional information:SpeciesAbsorptionMolar absorptivityMaximum, nm430 nm600 nmHIn4308.04×10³1.23x10³In6000.775×1036.96x103(a) Calculate the absorbance at 430 nm and 600 nm for thfollowing indicator concentrations: 3.0 x10-4 M, 2.0 × 10-4 M.and 1.0 ×10-4 M, 0.5 ×10-4 M and 0.25 ×10-4 M.(b) Plot absorbance as a function of indicatorconcentration.(c) Discuss the linearity of the graph of the two absorbancefunctions.

Lambert- Beer's law states that when a monochromatic light passes through a medium, its absorbance…

(a) Calculate the absorbance at 430 nm and 600 nm for th following indicator concentrations: 3.0 x10-4 M, 2.0 ×10-4 M. and 1.0 x10-4 M, 0.5 x10-4 M and 0.25 ×10-4 M. (b) Plot absorbance as a function of indicator concentration. (c) Discuss the linearity of the graph of the two absorbance functions.

(a) Calculate the absorbance at 430 nm and 600 nm for th following indicator concentrations: 3.0 x10-4 M, 2.0 ×10-4 M. and 1.0 x10-4 M, 0.5 x10-4 M and 0.25 ×10-4 M. (b) Plot absorbance as a function of indicator concentration. (c) Discuss the linearity of the graph of the two absorbance functions.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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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 equilibrium constant for the conjugate acid/base pair is
8.0 x10-5
HIn + H₂O
H3O+ + In. From additional information:
Species
Absorption
Molar absorptivity
Maximum, nm
430 nm
600 nm
HIn
430
8.04×10³
1.23x10³
In
600
0.775×103
6.96x103
(a) Calculate the absorbance at 430 nm and 600 nm for th
following indicator concentrations: 3.0 x10-4 M, 2.0 × 10-4 M.
and 1.0 ×10-4 M, 0.5 ×10-4 M and 0.25 ×10-4 M.
(b) Plot absorbance as a function of indicator
concentration.
(c) Discuss the linearity of the graph of the two absorbance
functions.

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