Answer
B
Work Step by Step
Number of moles of $CO_2$:
$0.376.\ g\div 44.01\ g/mol= 8.54\ mmol$, same as carbonate, from stoichiometry.
Molar mass:
$1.056\ g\div 0.00854\ mol= 123.60\ g/mol$
Atomic weight of M:
$63.60\ g/mol$, closest to Cu
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 4 Stoichiometry: Quantitative Information about Chemical Reactions - Study Questions - Page 179h: 94
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