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 Absorbance (au) 0.003 Concentration of Standard Solution (ppm) Absorbance (au) 0.012 0.132 0.267 0.349 0.428 0.560

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.
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
Volume of
Unknown Solution
Trial
(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 Volume of Unknown Solution Trial (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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