The method of standard additions was used to determine nitrite in a soil sample. A 1.00-mL portion of the sample was mixed with 22.00 mL of a colorimetric reagent, and the nitrite was converted to a colored product that produced a blank-corrected absorbance of 0.350. To 54.00 mL of the original sample, 1.00 mL of a standard solution of 1.00 × 10-³ M nitrite was added. The same color-forming procedure was followed, and the new absorbance was 0.560. What was the concentration of nitrite in the original undiluted sample? -3 Concentration = M
The method of standard additions was used to determine nitrite in a soil sample. A 1.00-mL portion of the sample was mixed with 22.00 mL of a colorimetric reagent, and the nitrite was converted to a colored product that produced a blank-corrected absorbance of 0.350. To 54.00 mL of the original sample, 1.00 mL of a standard solution of 1.00 × 10-³ M nitrite was added. The same color-forming procedure was followed, and the new absorbance was 0.560. What was the concentration of nitrite in the original undiluted sample? -3 Concentration = M
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter4: Reactions In Aqueous Solution
Section: Chapter Questions
Problem 77QAP: A 300.0-g sample of a solid is made up of a uniform mixture of NaNO3, MgCl2, and BaCl2. A 100.0-g...
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![The method of standard additions was used to determine nitrite in a soil sample. A
1.00-mL portion of the sample was mixed with 22.00 mL of a colorimetric reagent,
and the nitrite was converted to a colored product that produced a blank-corrected
absorbance of 0.350. To 54.00 mL of the original sample, 1.00 mL of a standard
solution of 1.00 × 10-³
M nitrite was added. The same color-forming procedure was
followed, and the new absorbance was 0.560. What was the concentration of nitrite
in the original undiluted sample?
Concentration
M](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fec27bc4f-e154-4e19-9e13-c5693df2d140%2F6ecc24ff-e1ea-4c8d-8880-294e3e1af82d%2Fr5dx6gn_processed.png&w=3840&q=75)
Transcribed Image Text:The method of standard additions was used to determine nitrite in a soil sample. A
1.00-mL portion of the sample was mixed with 22.00 mL of a colorimetric reagent,
and the nitrite was converted to a colored product that produced a blank-corrected
absorbance of 0.350. To 54.00 mL of the original sample, 1.00 mL of a standard
solution of 1.00 × 10-³
M nitrite was added. The same color-forming procedure was
followed, and the new absorbance was 0.560. What was the concentration of nitrite
in the original undiluted sample?
Concentration
M
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