The reaction between potassium superoxide, KO2, and CO2,is used as a source of O2 and

Chapter 14, Problem 3.62

(choose chapter or problem)

The reaction between potassium superoxide, KO2, and CO2,is used as a source of O2 and absorber of CO2 in self-contained breathing equipment used by rescue workers. (a) How many moles of O2 are produced when 0.400 mol of KO2 reacts in this fashion? (b) How many grams of KO2 are needed to form 7.50 g of O2? (c) How many grams of CO2 are used when 7.50 g of O2 are produced?

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