3. What is the path length in centimeters when the molar absorptivity for a given absorbing species is 1.32 x 103L mol-1cm-1, the concentration is 0.000923 M, and the absorbance is 0.490? 4. Value for Kw at 0.0°C is 1.14 x 10-15. Calculate the pH for a neutral solution at this temperature.

3. What is the path length in centimeters when the molar absorptivity for a given absorbing species is 1.32 x 103L mol-1cm-1, the concentration is 0.000923 M, and the absorbance is 0.490? 4. Value for Kw at 0.0°C is 1.14 x 10-15. Calculate the pH for a neutral solution at this temperature.

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

Chapter24: Coulometry

Section: Chapter Questions

Problem 24.12QAP

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3. What is the path length in centimeters when the molar absorptivity for a given absorbing species is 1.32 x 103L mol-1cm-1, the concentration is 0.000923 M, and the absorbance is 0.490?

4. Value for Kw at 0.0°C is 1.14 x 10-15. Calculate the pH for a neutral solution at this temperature.

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