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 505c: 64

Answer

$106.34^{\circ}C$

Work Step by Step

Number of moles: $39.1\ g\div 58.44\ g/mol=0.669\ mol$ Molality: $0.669\ mol \div 0.1\ kg=6.69\ m$ Boiling point elevation: $\Delta T_b = iK_bm=1.85\times0.5121^{\circ}C/m\times 6.69\ m=6.34^{\circ}C$ Boiling point: $100+6.34=106.34^{\circ}C$

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