A 5.12-g pesticide sample was decomposed and then dilute to 200-mL to determine its Cu2* contents. The analysis was completed by treating aliquots as indicated: Volume of sample, mL Volume of 3.82 ppm Cu²*, mL Signal 50.0 0.00 0.512 50.0 4.00 0.844 a. Calculate the percentage of copper in the pesticide sample.
A 5.12-g pesticide sample was decomposed and then dilute to 200-mL to determine its Cu2* contents. The analysis was completed by treating aliquots as indicated: Volume of sample, mL Volume of 3.82 ppm Cu²*, mL Signal 50.0 0.00 0.512 50.0 4.00 0.844 a. Calculate the percentage of copper in the pesticide sample.
Chapter14: Chromatography
Section: Chapter Questions
Problem 9P
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![A 5.12-g pesticide sample was decomposed and then dilute to 200-mL to determine its Cu2* contents. The analysis was
completed by treating aliquots as indicated:
Volume of sample, mL
Volume of 3.82 ppm Cu²*, mL Signal
50.0
0.00
0.512
50.0
4.00
0.844
a. Calculate the percentage of copper in the pesticide sample.
b. What assumption did you make in calculating the concentration of copper in your sample?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7ec88b1b-0b88-41d6-8038-33af9680a315%2Fa0263f33-6cb1-4612-9e22-18c638c14774%2F6gmh809_processed.png&w=3840&q=75)
Transcribed Image Text:A 5.12-g pesticide sample was decomposed and then dilute to 200-mL to determine its Cu2* contents. The analysis was
completed by treating aliquots as indicated:
Volume of sample, mL
Volume of 3.82 ppm Cu²*, mL Signal
50.0
0.00
0.512
50.0
4.00
0.844
a. Calculate the percentage of copper in the pesticide sample.
b. What assumption did you make in calculating the concentration of copper in your sample?
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