The molar absorption coefficient of a substance dissolved in water is known to be 855 dm3mol-1cm-1 at 270 nm. To determine the rate of decomposition of this substance, a solution with a concentration of 3.25 mmol dm-3 was prepared. Calculate the percentage reduction in intensity when light of that wavelength passes through 2.5 mm of this solution. Ans: 1.6%

The molar absorption coefficient of a substance dissolved in water is known to be 855 dm3mol-1cm-1 at 270 nm. To determine the rate of decomposition of this substance, a solution with a concentration of 3.25 mmol dm-3 was prepared. Calculate the percentage reduction in intensity when light of that wavelength passes through 2.5 mm of this solution. Ans: 1.6%

Appl Of Ms Excel In Analytical Chemistry

2nd Edition

ISBN:9781285686691

Author:Crouch

Publisher:Crouch

Chapter13: Kinetic Methods

Section: Chapter Questions

Problem 10P

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