Rescue Breathing Devices Self-contained self-rescue breathing devices, like the one in the figure below, convert CO2 into O2 according to the following (balanced) reaction:
4KO2 (s) + 2CO2 (g) → 2K2CO3 (s) + 3O2 (g)
How many grams of KO2 are needed to produce 985.0 L of O 2 at 20.5°C and 1.00 atm?
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