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• Consider the following laboratory experiment for the determination of Initrite concentration" (absorbance @ 550 nm): If you start an experiment by pipetting 5 mL aliquots of sample into five 50.00 mL volumetric flasks. Then, pipetting a volume of the standard solution containing 10.00 mM nitrite into each flask, respectively, followed by dilution to the 50.00 mL volume mark. The final absorbances were measured as shown on the table. Volume of standard solution (containing 10.00 mM nitrite) 0.00 mL 2.00 mL 4.00 mL 6.00 mL 8.00 mL • Absorbances (550 nm) 0.139 0.299 0.486 0.689 0.865 Draw a standard addition curve (absorbance vs volume of the standard added). • Calculate the nitrite concentration in the original sample. Applications

• Consider the following laboratory experiment for the determination of Initrite concentration" (absorbance @ 550 nm): If you start an experiment by pipetting 5 mL aliquots of sample into five 50.00 mL volumetric flasks. Then, pipetting a volume of the standard solution containing 10.00 mM nitrite into each flask, respectively, followed by dilution to the 50.00 mL volume mark. The final absorbances were measured as shown on the table. Volume of standard solution (containing 10.00 mM nitrite) 0.00 mL 2.00 mL 4.00 mL 6.00 mL 8.00 mL • Absorbances (550 nm) 0.139 0.299 0.486 0.689 0.865 Draw a standard addition curve (absorbance vs volume of the standard added). • Calculate the nitrite concentration in the original sample. Applications

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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• Consider the following laboratory experiment for the determination of Initrite concentration" (absorbance @ 550 nm): If you start an experiment by pipetting 5 mL aliquots of sample into five 50.00 mL volumetric flasks. Then, pipetting a volume of the standard solution containing 10.00 mM nitrite into each flask, respectively, followed by dilution to the 50.00 mL volume mark. The final absorbances were measured as shown on the table. Volume of standard solution (containing 10.00 mM nitrite) 0.00 mL 2.00 mL 4.00 mL 6.00 mL 8.00 mL • Absorbances (550 nm) 0.139 0.299 0.486 0.689 0.865 Draw a standard addition curve (absorbance vs volume of the standard added). • Calculate the nitrite concentration in the original sample. Applications
Transcribed Image Text:• Consider the following laboratory experiment for the determination of Initrite concentration" (absorbance @ 550 nm): If you start an experiment by pipetting 5 mL aliquots of sample into five 50.00 mL volumetric flasks. Then, pipetting a volume of the standard solution containing 10.00 mM nitrite into each flask, respectively, followed by dilution to the 50.00 mL volume mark. The final absorbances were measured as shown on the table. Volume of standard solution (containing 10.00 mM nitrite) 0.00 mL 2.00 mL 4.00 mL 6.00 mL 8.00 mL • Absorbances (550 nm) 0.139 0.299 0.486 0.689 0.865 Draw a standard addition curve (absorbance vs volume of the standard added). • Calculate the nitrite concentration in the original sample. Applications
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