Chemistry Stoichiometry Solution: A self-contained breathing apparatus uses potassiu...

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Solution: A self-contained breathing apparatus uses potassium superoxide, KO2, to  convert the carbon dioxide and water in exhaled air into oxygen, as shown by this equation. 4 KO2 (s) + 4 CO2 (g) + 2 H2O (g) → 4 KHCO3 (s) + 3 O2 (g) How many molecules of oxygen gas will be produced from the 0.0468 g of carbon dioxide that is exhaled in a typical breath? a) 4.8 x 1020 b) 6.4 x 1020 c) 8.5 x 1020 d) 1.9 x 1021