Chemistry: The Molecular Science (5th Edition)

Published by Cengage Learning
ISBN 10: 1285199049
ISBN 13: 978-1-28519-904-7

Chapter 13 - The Chemistry of Solutes and Solutions - Questions for Review and Thought - Topical Questions - Page 605c: 58c


Mass fraction= 0.308 Weight percent= 30.8%

Work Step by Step

Mass fraction of $CS_{2}$= $\frac{mass\,of \,CS_{2}}{mass\,of\,CS_{2}+mass\,of\,CHCl_{3}}=\frac{20.0\,g}{20.0\,g+45.0\,g}$ $=0.308\,$ Weight percent= mass fraction$\times100\%$ $=30.8\%$
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