Chemistry: The Molecular Science (5th Edition)

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

Chapter 9 - Liquids, Solids, and Materials - Problem Solving Practice 9.2 - Page 376: a


597 g

Work Step by Step

Number of moles of ethanol that can be vaporized= $\frac{q}{\Delta_{vap}H}=\frac{500.\,kJ}{38.6\,kJ/mol}=12.95\,mol$ Mass in grams of ethanol= number of moles$\times$molar mass $=12.95\,mol\times 46.07\,g/mol$ $=597\,g$
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