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 505e: 89


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Work Step by Step

Benzene solution: $\Delta T_f=K_fm\rightarrow m=(3.37-5.50)^{\circ}C\div -5.12^{\circ}C/m=0.416\ m$ Water solution: $\Delta T_f=K_fm\rightarrow m=(-1.49-0)^{\circ}C\div -1.86^{\circ}C/m=0.801\ m$ Since the ratio of the two is approximately two and acetic acid displays hydrogen bonding, in the benzene solution its prevailing form is probably dimeric.
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