Potassium superoxide absorbs carbon dioxide and releases oxygen according to the formula: 4KO₂ + 2CO₂ $\rightarrow$ 2K₂CO₃ + 3O₂
How much potassium superoxide would be required to absorb 12 liters of CO₂ at 30˚C and 1140 mmHg?

Question

Potassium superoxide absorbs carbon dioxide and releases oxygen according to the formula: 4KO₂ + 2CO₂

\rightarrow

2K₂CO₃ + 3O₂
How much potassium superoxide would be required to absorb 12 liters of CO₂ at 30˚C and 1140 mmHg?

Quizplus · Accepted Answer

First, convert the volume of CO2 to moles using the ideal gas law. Then, use the stoichiometry of the reaction to find the moles of KO2 needed, and finally convert to grams.

Potassium Superoxide Absorbs Carbon Dioxide and Releases Oxygen According to the Formula