Potassium superoxide, KO2, is often used in oxygen masks
(such as those used by firefighters) because KO2 reacts with
CO2 to release molecular oxygen. Experiments indicate that 2
mol of KO21s2 react with each mole of CO21g2. (b) Indicate
the oxidation number for each atom involved in the reaction
in part (a). What elements are being oxidized and reduced?
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