Answer
$45\%$
Work Step by Step
Vapor pressure depression: $P=X_{solvent}P^0\rightarrow X_{solvent}=P/P^0=55\%$
Weight percent of solute: $100-X_{solvent}=45\%$
Chemistry and Chemical Reactivity (9th Edition)
by Kotz, John C.; Treichel, Paul M.; Townsend, John R.; Treichel, David A.
Published by
Cengage Learning
ISBN 10:
1133949649
ISBN 13:
978-1-13394-964-0
Chapter 13 Solutions and Their Behavior - Study Questions - Page 505d: 70
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