Item 1: Question Solution A is analyzed for iron content using colorimetry. A calibration curve (absorbance vs ppm) is prepared and the equation of the best-fit line is A = 0.0252 C (ppm) - 0.0162. A 5.00-mL aliquout of Solution A is diluted to 100.0 mL and yields an absorbance of 0.314. Calculate the concentration of iron in solution A. 0.65 ppm 2.62 ppm O 13.1 ppm 262 ppm
Item 1: Question Solution A is analyzed for iron content using colorimetry. A calibration curve (absorbance vs ppm) is prepared and the equation of the best-fit line is A = 0.0252 C (ppm) - 0.0162. A 5.00-mL aliquout of Solution A is diluted to 100.0 mL and yields an absorbance of 0.314. Calculate the concentration of iron in solution A. 0.65 ppm 2.62 ppm O 13.1 ppm 262 ppm
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
Chapter14: Applications Of Ultraviolet-visible Molecular Absorption Spectrometry
Section: Chapter Questions
Problem 14.2QAP: A 0.4740-g pesticide sample was decomposed by wet ashing and then diluted to 200.0 mL in a...
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1. How would you find the solution for this dilution and absorbance problem?
What would the set-up for solving this look like?
(A = 0.0252C(ppm) - 0.0162)
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