Answer
$2Cr(s)+3CoCl_2(aq)\rightarrow 2CrCl_3(aq)+3Co(s)$
Work Step by Step
We make use of Table 4.5 in the book. Since the metal is above the aqueous solution, a reaction occurs. We exchange the cations and balance the equation.
Chemistry: The Central Science (13th Edition)
by Brown, Theodore E.; LeMay, H. Eugene; Bursten, Bruce E.; Murphy, Catherine; Woodward, Patrick; Stoltzfus, Matthew E.
Published by
Prentice Hall
ISBN 10:
0321910419
ISBN 13:
978-0-32191-041-7
Chapter 4 - Reactions in Aqueous Solution - Exercises - Page 159: 4.56d
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