Chemistry 12th Edition

Published by McGraw-Hill Education
ISBN 10: 0078021510
ISBN 13: 978-0-07802-151-0

Chapter 12 - Physical Properties of Solutions - Questions & Problems - Page 553: 12.75

Answer

Please see the work below.

Work Step by Step

We know that $NaCl$ as well as $CaCl_2$ are strong electrolytes and hence will have more particles per mole of the solid dissolved.On the other hand, urea and sucrose are nonelectrolytes and have less particles, and we know that the freezing point will be depressed most by the solution.
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