# What volume of oxygen is needed to completely combust 2.36 L of methane gas CH_4?

$C {H}_{4} \left(g\right) + 2 {O}_{2} \left(g\right) \rightarrow C {O}_{2} \left(g\right) + 2 {H}_{2} O \left(l\right)$
A volume of $4.72$ $L$ of dioxygen gas is required.