A 2.50-mL aliquot of a solution that contains 3.8 ppm iron(III) is treated with an appropriate excess of KSCN and diluted to 50.0 mL. What is the absorbance of the resulting solution at 580 nm in a 2.50-cm cell? See Problem 14-21 for absorptivity data. See Problem 14-21 for absorptivity data: A solution with a "true" absorbance [A = log(P0 / P)] of 2.10 was placed in a spectrophotometer with a stray light level (Ps/P0 ) of 0.75% What absorbance A’ would be measured? What percentage error would result
A 2.50-mL aliquot of a solution that contains 3.8 ppm iron(III) is treated with an appropriate excess of KSCN and diluted to 50.0 mL. What is the absorbance of the resulting solution at 580 nm in a 2.50-cm cell? See Problem 14-21 for absorptivity data. See Problem 14-21 for absorptivity data: A solution with a "true" absorbance [A = log(P0 / P)] of 2.10 was placed in a spectrophotometer with a stray light level (Ps/P0 ) of 0.75% What absorbance A’ would be measured? What percentage error would result
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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A 2.50-mL aliquot of a solution that contains 3.8 ppm iron(III) is treated with an appropriate excess of KSCN and diluted to 50.0 mL. What is the absorbance of the resulting solution at 580 nm in a 2.50-cm cell? See Problem 14-21 for absorptivity data.
See Problem 14-21 for absorptivity data:
A solution with a "true" absorbance [A = log(P0 / P)] of 2.10 was placed in a spectrophotometer with a stray light level (Ps/P0 ) of 0.75% What absorbance A’ would be measured? What percentage error would result?
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