41. 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 + 02 → 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?

41. 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 + 02 → 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?

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

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