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 - Page 76: 2.47


From left to right: molecular: N2H4, empirical: NH2 molecular: N2H2, empirical NH molecular: NH3, empirical NH3

Work Step by Step

Molecular formulas tell you how many atoms of each element are in a compound, and empirical formulas tell you the simplest or most reduced ratio of elements in a compound. From left to right we have N2H4, which we can reduce to NH2 by dividing by 2. Next we have N2H2, which we can reduce to NH by dividing by 2. Last we have NH3, which cannot be reduced.
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