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. (c) What mass of KO21s2 is needed to consume 18.0 g CO21g2? What mass of O21g2 is produced during this reaction?

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