Answer
B
Work Step by Step
Calcium $Ca^{2+}$
Two molecules of Nitrate, $NO_3^-$, per molecule of calcium to balance the charges.
Dihydrate refers to hydration water.
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 - 3-4 Aqueous Solutions - Review & Check for Section 3-4 - Page 109: 2
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