Chemistry: The Molecular Nature of Matter and Change 7th Edition

Published by McGraw-Hill Education
ISBN 10: 007351117X
ISBN 13: 978-0-07351-117-7

Chapter 13 - Problems: 13.101

Answer

5.07 C

Work Step by Step

Moles C10H8 = 5.00 g / 128.17 g/mol = 0.0390 Molality = 0.0390 mol / 0.444 Kg =0.0879 delta T = 4.90 x 0.0879 = 0.431 °C freezing point = 5.5 - 0.431 = 5.07 °C
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