Answer
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Work Step by Step
By measuring the electrical conductivity before and after the solid is added, we could prove that some ions are now present due to the dissolution, since it would increase by a small amount.
Chemistry and Chemical Reactivity (9th Edition)
by Kotz, John C.; Treichel, Paul M.; Townsend, John R.; Treichel, David A.
Published by
Cengage Learning
ISBN 10:
1133949649
ISBN 13:
978-1-13394-964-0
Chapter 3 Chemical Reactions - Study Questions - Page 137g: 86
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