Chemistry: The Central Science (13th Edition)

Published by Prentice Hall
ISBN 10: 0321910419
ISBN 13: 978-0-32191-041-7

Chapter 2 - Atoms, Molecules, and Ions - Exercises: 2.51b

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.
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