The drug Librium gives a polarographic wave with E1/2 5 20.265 V (versus S.C.E.) in 0.05 M H2SO4. A 50.0-mL sample containing Librium gave a wave height of 0.37 mA. When 2.00 mL of 3.00 mM Librium in 0.05 M H2SO4 were added to the sample, the wave height increased to 0.80 mA. Find the molarity of Librium in the unknown.
The drug Librium gives a polarographic wave with E1/2 5 20.265 V (versus S.C.E.) in 0.05 M H2SO4. A 50.0-mL sample containing Librium gave a wave height of 0.37 mA. When 2.00 mL of 3.00 mM Librium in 0.05 M H2SO4 were added to the sample, the wave height increased to 0.80 mA. Find the molarity of Librium in the unknown.
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
Chapter15: Molecular Luminescence Spectrometry
Section: Chapter Questions
Problem 15.10QAP
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The drug Librium gives a polarographic wave with E1/2 5 20.265 V (versus S.C.E.) in 0.05 M H2SO4. A 50.0-mL sample containing Librium gave a wave height of 0.37 mA. When 2.00 mL of 3.00 mM Librium in 0.05 M H2SO4 were added to the sample, the wave height increased to 0.80 mA. Find the molarity of Librium in the unknown.
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