Answer
Please see the work below.
Work Step by Step
The required balanced equations are
$Cr+2HCl+6H_2O\rightarrow[Cr(H_2O)_6]^{+2}+2Cl^{-}+H_2$
$Cu+HCl\rightarrow NR$
General Chemistry 10th Edition
by Ebbing, Darrell; Gammon, Steven D.
Published by
Cengage Learning
ISBN 10:
1-28505-137-8
ISBN 13:
978-1-28505-137-6
Chapter 22 - The Transition Elements and coordination Compounds - Questions and Problems - Page 970: 22.6
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