1.28×10−4M solution of potassium permanganate has a transmittance of 0.5 when measured in a 1 cm cell at 525 nm. 1. Calculate the molar absorptivity coefficient for the permanganate at this wavelength. 2. If the concentration is doubled what would be the absorbance and the percentage transmittance of the new solution?

1.28×10−4M solution of potassium permanganate has a transmittance of 0.5 when measured in a 1 cm cell at 525 nm. 1. Calculate the molar absorptivity coefficient for the permanganate at this wavelength. 2. If the concentration is doubled what would be the absorbance and the percentage transmittance of the new solution?

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

Chapter6: An Introduction To Spectrometric Methods

Section: Chapter Questions

Problem 6.18QAP

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