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In self - contained breathing devices used by first responders, potassium superoxide, K O 2 , reacts with exhaled carbon dioxide to produce potassium carbonate

In self

-

contained breathing devices used by first responders, potassium superoxide,

K O_{2},

reacts with exhaled carbon dioxide to produce potassium carbonate and oxygen:

Unbalanced:

K O_{2} (s) + C O_{2} (g) - K_{2} C O_{3} (s) + O_{2} (g)

How much

O_{2}

could be produced from

85 g K O_{2} ?

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