6.) An unknown polymer sample is fractionated, and the following molar fractions are obtained. Calculate M₁ and Mw and the dispersity. Fill out the table to show your work. Fraction # 1 2 3 4 5 6 n; (mol) 0.004 0.011 0.009 0.003 0.017 0.008 Mi (g/mol) 10,400 12,080 13,950 16,700 18,150 20,000 n¡Mi n;M;²
6.) An unknown polymer sample is fractionated, and the following molar fractions are obtained. Calculate M₁ and Mw and the dispersity. Fill out the table to show your work. Fraction # 1 2 3 4 5 6 n; (mol) 0.004 0.011 0.009 0.003 0.017 0.008 Mi (g/mol) 10,400 12,080 13,950 16,700 18,150 20,000 n¡Mi n;M;²
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:6.) An unknown polymer sample is fractionated, and the following molar fractions are
obtained. Calculate Mn and Mw and the dispersity. Fill out the table to show your work.
Fraction #
1
2
3
4
5
6
n₁ (mol)
0.004
0.011
0.009
0.003
0.017
0.008
M; (g/mol)
10,400
12,080
13,950
16,700
18,150
20,000
n¡Mi
n;M;²
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