Chemistry (12th Edition)

Published by Prentice Hall
ISBN 10: 0132525763
ISBN 13: 978-0-13252-576-3

Chapter 12 - Stoichiometry - 12 Assessment: 79

Answer

KOH is the limiting reagent

Work Step by Step

100 grams MnO2 / 86.9 grams MnO2 = 1.15 moles MnO2 1.15 moles MnO2 x 1 mole H20 = 1.15 moles H20 100 grams KOH / 56.1 grams KOH = 1.78 moles KOH 1.78 moles KOH / 2 moles H20 = 0.89 moles H20 100 grams O2 / 32 grams O2 = 3.125 moles O2 3.125 moles O2 x 2 moles H20 = 6.25 moles H20 100 grams Cl2 / 70.0 grams Cl2 = 1.43 moles Cl2 1.43 moles Cl2 x 2 moles H20 = 2.86 moles H20 KOH is the limiting reagent
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