Answer
10 Hydrogens
Work Step by Step
Ca(C2H5COO)2 has 10 Hydrogen atoms. There are 5 Hydrogen atoms in each (C2H5COO) group and we have 2 of them as we can see from the subscript and 5*2 = 10.
Chemistry: The Central Science (13th Edition)
by Brown, Theodore E.; LeMay, H. Eugene; Bursten, Bruce E.; Murphy, Catherine; Woodward, Patrick; Stoltzfus, Matthew E.
Published by
Prentice Hall
ISBN 10:
0321910419
ISBN 13:
978-0-32191-041-7
Chapter 2 - Atoms, Molecules, and Ions - Exercises - Page 76: 2.51b
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