Answer
See the answer below.
Work Step by Step
a) Copper ions: 4 inside the lattice
Oxygen ions: one inside and $8\times 1/8=1$ in the vertexes, 2 in total
Therefore the formula of cuprite is: $Cu_2O$.
b) From the formula: $2\times x-2=0$
$x=+1$
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 12 The Solid State - Study Questions - Page 467a: 5
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