The concentration of Mg in an unknown sample was determined by pipetting 15.0 ml of the unknown sample into five 50 ml volumetric flasks. Various volumes of a standard containing 22.6 ppm of Mg were added to the flasks and the solution were then filled with deionised water to a volume of 50 ml.
The concentration of Mg in an unknown sample was determined by pipetting 15.0 ml of the unknown sample into five 50 ml volumetric flasks. Various volumes of a standard containing 22.6 ppm of Mg were added to the flasks and the solution were then filled with deionised water to a volume of 50 ml.
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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![The concentration of Mg in an unknown sample was determined by pipetting 15.0 ml of the unknown sample into five 50 ml volumetric flasks.
Various volumes of a standard containing 22.6 ppm of Mg were added to the flasks and the solution were then filled with deionised water to a
volume of 50 ml.
Unknown,ml
15.0
15.0
15.0
15.0
Standard,ml
C.
D. 1.5 ppm
0.0
1.0
2.0
3.0
Calculate the ppm of Mg in the sample.
O A. 4.6 ppm
B. 1.9 ppm
3.3 ppm
Absorbance
0.191
0.282
0.368
0.457](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe4bdf5fb-416d-4732-bc1e-a855f65a7cc5%2Fe6a0a2ad-33ac-4df8-a660-6bc2b58fb736%2Fg6d8rkm_processed.jpeg&w=3840&q=75)
Transcribed Image Text:The concentration of Mg in an unknown sample was determined by pipetting 15.0 ml of the unknown sample into five 50 ml volumetric flasks.
Various volumes of a standard containing 22.6 ppm of Mg were added to the flasks and the solution were then filled with deionised water to a
volume of 50 ml.
Unknown,ml
15.0
15.0
15.0
15.0
Standard,ml
C.
D. 1.5 ppm
0.0
1.0
2.0
3.0
Calculate the ppm of Mg in the sample.
O A. 4.6 ppm
B. 1.9 ppm
3.3 ppm
Absorbance
0.191
0.282
0.368
0.457
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