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find the true concentration of Fe²+ of the original sample. A) 5.12 ppm B) 2.56 ppm C) 5.05 ppm D) 2.52 ppm

find the true concentration of Fe²+ of the original sample. A) 5.12 ppm B) 2.56 ppm C) 5.05 ppm D) 2.52 ppm

Chemistry
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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find the true concentration of Fe²+ of the original sample. A) 5.12 ppm B) 2.56 ppm C) 5.05 ppm D) 2.52 ppm
Reagent Blank Absorbance Reagent Blank Absorbance Concentration of Stock Solution: 10 ppm Volume of Stock Solution (mL) Total Volume of Standard Solution (mL) 0.50 10.00 1.00 10.00 2.00 10.00 3.00 10.00 4.00 10.00 5.00 10.00 Trial Volume of Unknown Solution (mL) 1 5.00 2 5.00 3 5.00 Absorbance (au) 0.003 Concentration of Standard Solution (ppm) Total Volume of Unknown Solution (mL) 10.00 10.00 10.00 Absorbance (au) 0.012 0.132 0.267 0.349 0.428 0.560 Absorbance (au) 0.289 0.296 0.281
Transcribed Image Text:Reagent Blank Absorbance Reagent Blank Absorbance Concentration of Stock Solution: 10 ppm Volume of Stock Solution (mL) Total Volume of Standard Solution (mL) 0.50 10.00 1.00 10.00 2.00 10.00 3.00 10.00 4.00 10.00 5.00 10.00 Trial Volume of Unknown Solution (mL) 1 5.00 2 5.00 3 5.00 Absorbance (au) 0.003 Concentration of Standard Solution (ppm) Total Volume of Unknown Solution (mL) 10.00 10.00 10.00 Absorbance (au) 0.012 0.132 0.267 0.349 0.428 0.560 Absorbance (au) 0.289 0.296 0.281
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