Chemistry (7th Edition)

Published by Pearson
ISBN 10: 0321943171
ISBN 13: 978-0-32194-317-0

Chapter 4 - Reactions in Aqueous Solution - Section Problems - Page 148: 60


(a) Bright (b) Dark (c) Dim

Work Step by Step

(a) Potassium chloride ($KCl$) is an ionic compound, which is very dissociated in water. Therefore, the solution will be very bright and conductive. (b) Methanol is a very molecular compound, which makes it a bad conductor in water. (c) Acetic acid $(CH_3CO_2H)$ is a weak electrolyte (according to the table 4.1, Page 118); therefore, the light bulb will only receive part of the electricity.
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