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 3 - Chemical Reactions and Reaction Stoichiometry - Exercises - Page 114: 3.26c

Answer

The percent mass of Hydrogen in Ammonium Sulfate is about 6.06%.

Work Step by Step

Molar mass of (NH4)2SO4: N: 14x2 = 28 H: 1x8 = 8 S: 32x1 = 32 O: 16x4 = 64 28 + 8 + 32 + 64 = 132g per Mol Percentage of H mass in Ammonium Sulfate: $\frac{8}{132}$ x 100% = 6.06%.

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