*23-15. The molar absorptivity for the complex formedbetween bismuth(III) and thiourea is 9.32 X 10³L mol-1 cm-1 at 470 nm. Calculate the range ofpermissible concentrations for the complex ifthe absorbance is to be no less than 0.15 norgreater than 0.80 when the measurements aremade in 1.00-cm cells.23-16. The molar absorptivity for aqueous solutions ofphenol at 211 nm is 6.17 × 10³ L mol- cm-!.Calculate the permissible range of phenol con-centrations that can be used if the transmittanceis to be less than 80% and greater than 5% whenthe measurements are made in 1.00-cm cells.

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The molar absorptivity for the complex formed between bismuth(III) and thiourea is 9.32 × 103 L mol-l cm-1 at 470 nm. Calculate the range of permissible concentrations for the complex if the absorbance is to be no less than 0.15 nor greater than 0.80 when the measurements are made in 1.00-cm cells.

The molar absorptivity for the complex formed between bismuth(III) and thiourea is 9.32 × 103 L mol-l cm-1 at 470 nm. Calculate the range of permissible concentrations for the complex if the absorbance is to be no less than 0.15 nor greater than 0.80 when the measurements are made in 1.00-cm cells.

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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Question

*23-15. The molar absorptivity for the complex formed
between bismuth(III) and thiourea is 9.32 X 10³
L mol-1 cm-1 at 470 nm. Calculate the range of
permissible concentrations for the complex if
the absorbance is to be no less than 0.15 nor
greater than 0.80 when the measurements are
made in 1.00-cm cells.
23-16. The molar absorptivity for aqueous solutions of
phenol at 211 nm is 6.17 × 10³ L mol- cm-!.
Calculate the permissible range of phenol con-
centrations that can be used if the transmittance
is to be less than 80% and greater than 5% when
the measurements are made in 1.00-cm cells.

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