3. The lead in a swab sample, lead standards, together with a blank were made up in5.00 mL volumetric flasks using 0.2 % HNO3. 20 μL aliquots of these solutions wereinjected into the spectrophotometer and the absorbance measured at 217 nm. Thefollowing results were obtained.lead / ppbAbsorbance00.059110.000.085850.000.1926100.00.3260150.00.4594200.00.5929Swab sample0.3700(a) Determine the amount of lead in the swab sample in μg.

The amount of lead in the swab sample is approximately 9.44 µg.Explanation:

Answered: 3. The lead in a swab sample, lead…

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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