Write the balanced chemical equation for the possible reactions of super oxide of potassium during inhalation and exhalation.

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Solution

Oxygen masks used for producing $O_{2}$ in emergency situations contains $K O_{2}$ . It reacts with carbon dioxide and water in exhaled air to produce oxygen. The reaction can be written as:
$4 K O_{2} + 2 H_{2} O + 4 C O_{2} \to 4 K H C O_{3} + 3 O_{2}$
Also $K O_{2}$ is used in the inhalation masks and the reaction taking place can be written as:
$2 K O_{2} + 2 H_{2} O \to 2 K O H + H_{2} O_{2} + O_{2}$

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