It is known that the concentration of a substance is 1.00x10^-4 mol/L, e=1.5 x 10^4 l/mol cm. Assuming that the uncertainty of the measured light transmittance is 0.005, what is the measured absorbance of the substance? What is the relative measurement error? If the control absorbance value is 0.7, what concentration should the reference solution be? What is the relative error of the concentration measurement? What is the magnification of the transmittance scale?
It is known that the concentration of a substance is 1.00x10^-4 mol/L, e=1.5 x 10^4 l/mol cm. Assuming that the uncertainty of the measured light transmittance is 0.005, what is the measured absorbance of the substance? What is the relative measurement error? If the control absorbance value is 0.7, what concentration should the reference solution be? What is the relative error of the concentration measurement? What is the magnification of the transmittance scale?
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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