Answered: 1. If the concentration of a stock…

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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Question

1. If the concentration of a stock solution is 0.152 M, what is the concentration of 10.0 mL of the
stock solution diluted into a 100-mL volumetric flask? Show your work.
2. If you were to have a stock solution with a concentration of 1.475 M and performed a serial
dilution as shown in Fig. 5.1, what would the concentrations be in flasks A, B, C, and D?
3. If you wished to study the molecule below by measuring absorbance, what wavelength should
you set your spectrophotometer to?

Absorbance
1.6
1.4
1.2.
1.0-
0.8-
0.6-
0.4-
0.2
0.0.
300
500
600
Wavelength (nm)
400
700
800

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