A Self-Contained Breathing Apparatus Contains 25 $\rightarrow$ 2K₂CO₃(s) + 3O₂(g)
A) 7

Multiple Choice

A self-contained breathing apparatus contains 25.0 g KO₂ that is used to treat 45.0 g CO₂ to regenerate oxygen. How many grams of CO₂ were not converted to oxygen because of the limited amount of potassium superoxide present?
4KO₂(s) + 2CO₂(g) $\rightarrow$ 2K₂CO₃(s) + 3O₂(g)

A) 7.7 g
B) 37.3 g
C) 1.6 g
D) 29.8 g
E) 22.5 g