Answer
$x=0.5$
Work Step by Step
$Y_2O_3+4\ BaCO_3+6\ CuO\rightarrow 2\ YBa_2Cu_3O_{6.5}+4CO_2$
Therefore $x=0.5$
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 - 3-9 Classifying Reactions in Aqueous Solution - Applying Chemical Principles - Questions - Page 135: 4
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