Chemistry and Chemical Reactivity (9th Edition)

Published by Cengage Learning
ISBN 10: 1133949649
ISBN 13: 978-1-13394-964-0

Chapter 13 Solutions and Their Behavior - Study Questions - Page 505d: 65


$-10.55\ ^{\circ}C$

Work Step by Step

Molality: $(35.0\ g\div 110.98\ g/mol)\div 0.150\ kg=2.10\ mol/kg$ F.p. depression: $\Delta T_f=i.K_f.m=2.7\times-1.86^{\circ}C/m\times 2.10\ m=-10.55\ ^{\circ}C$ Freezing point: $-10.55\ ^{\circ}C$
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