What is the concentration of salicylate in mg/dL in an unknown salicylate solution whose absorbance is 0.185? (Give your answer to 2 decimal places) Salicylate solution concentration (mg/dL) 1.00 2.00 3.00 4.00 5.00 Absorbance at 528 nm 0.162 0.223 0.262 0.359 0.401
What is the concentration of salicylate in mg/dL in an unknown salicylate solution whose absorbance is 0.185? (Give your answer to 2 decimal places) Salicylate solution concentration (mg/dL) 1.00 2.00 3.00 4.00 5.00 Absorbance at 528 nm 0.162 0.223 0.262 0.359 0.401
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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Transcribed Image Text:You are assigned to measure the amount of salicylic acid in a wart remover
solution. Salicylate ion reacts with an Fe³+ ion to form a complex ion that
strongly absorbs light at 528 nm. You prepare standard solutions of known
salicylate concentration. You add 5.00 mL of 0.025 M FeCl3 to each standard
solution and dilute each solution to a total of 10.00 mL. The concentration of
salicylate in each solution is given in the table below. You then measure the
absorbance of each standard solution. The data are shown below.
What is the concentration of salicylate in mg/dL in an unknown salicylate
solution whose absorbance is 0.185? (Give your answer to 2 decimal places)
Salicylate solution concentration Absorbance at 528
(mg/dL)
1.00
2.00
3.00
4.00
5.00
nm
0.162
0.223
0.262
0.359
0.401
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