Chemistry: The Central Science (13th Edition)

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

Chapter 3 - Chemical Reactions and Reaction Stoichiometry - Exercises - Page 117: 3.65a


$Al_2S_3 + 6 H_2O ->2Al(OH)_3 + 3H_2S$

Work Step by Step

1. Write the unbalanced equation: $Al_2S_3 + H_2O -> Al(OH)_3 + H_2S$ 2. Now, balance the number of Aluminum atoms : $Al_2S_3 + H_2O ->2Al(OH)_3 + H_2S$ 3. Balance the number of Sulfur atoms: $Al_2S_3 + H_2O ->2Al(OH)_3 + 3H_2S$ 4. Balance the number of Hydrogen atoms: $Al_2S_3 + 6H_2O ->2Al(OH)_3 + 3H_2S$ 5. We dont need to change anything to balance the number of Oxygen atoms: $Al_2S_3 + 6H_2O ->2Al(OH)_3 + 3H_2S$
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