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

Multiple Choice

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 produce 80.0 liters of oxygen at 30.0˚C and 1140 mmHg?

A) 458 g
B) 6.40 g
C) 74.8 g
D) 107 g
E) 4.00 g