Answer
0.3 moles O2
Work Step by Step
Looking at the coefficients, you need 4 moles of KO2 to produce 3 moles of O2. Therefore, if we have 0.4 moles KO2 then
0.400 moles KO2 * (3moles O2/4moles KO2) = 0.3 moles
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 116: 3.62a
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