Chemistry 12th Edition

Published by McGraw-Hill Education
ISBN 10: 0078021510
ISBN 13: 978-0-07802-151-0

Chapter 3 - Mass Relationships in Chemical Reactions - Questions & Problems - Page 108: 3.35


Please see the work below.

Work Step by Step

We know that percentage composition shows the percentage of molar mass of a substance present in a compound. We can find the percentage composition of ammonia as follows: $N=\frac{14.01g\space N}{17.034g\space NH_3}\times 100=82\%$ $H=\frac{3.024g\space H}{17.03g\space NH_3}\times 100=18\%$
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