Potassium permanganate, KMnO4, a common oxidizing agent, is made fromvarious ores that contain manganese(IV) oxide, MnO2. The following equationshows the net reaction for one process that forms potassium permanganate.2MnO2 + 2KOH + O2 → 2KMnO4 + H2a. What is the maximum mass, in kilograms, of KMnO4 that can be madefrom the reaction of 835.6 g of MnO2 with 585 g of KOH and excessoxygen gas?b. Explain why the oxygen gas is in excess.c. If 1.18 kg of KMnO4 are isolated from the product mixture of the reactionof 835.6 g of MnO2 with 585 g of KOH and excess oxygen gas, what is thepercent yield
Potassium permanganate, KMnO4, a common oxidizing agent, is made fromvarious ores that contain manganese(IV) oxide, MnO2. The following equationshows the net reaction for one process that forms potassium permanganate.2MnO2 + 2KOH + O2 → 2KMnO4 + H2a. What is the maximum mass, in kilograms, of KMnO4 that can be madefrom the reaction of 835.6 g of MnO2 with 585 g of KOH and excessoxygen gas?b. Explain why the oxygen gas is in excess.c. If 1.18 kg of KMnO4 are isolated from the product mixture of the reactionof 835.6 g of MnO2 with 585 g of KOH and excess oxygen gas, what is thepercent yield
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter4: Stoichiometry
Section: Chapter Questions
Problem 4.83PAE
Related questions
Question
Potassium permanganate, KMnO4, a common oxidizing agent, is made from
various ores that contain manganese(IV) oxide, MnO2. The following equation
shows the net reaction for one process that forms potassium permanganate.
2MnO2 + 2KOH + O2 → 2KMnO4 + H2
a. What is the maximum mass, in kilograms, of KMnO4 that can be made
from the reaction of 835.6 g of MnO2 with 585 g of KOH and excess
oxygen gas?
b. Explain why the oxygen gas is in excess.
c. If 1.18 kg of KMnO4 are isolated from the product mixture of the reaction
of 835.6 g of MnO2 with 585 g of KOH and excess oxygen gas, what is the
percent yield
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