Đáp án đúng: B
0,224 lít.
$\begin{array}{l}\,\,{{\text{H}}^{\text{+}}}\,\,\,\text{+}\,\,\,\,\text{CO}_{\text{3}}^{\text{2-}}\,\xrightarrow{{}}\,\text{HCO}_{\text{3}}^{\text{-}}\\\text{0,02}\,\leftarrow \,\,\text{0,02}\,\,\xleftarrow{{}}\,\,\,\,\text{0,02}\\\,\,{{\text{H}}^{\text{+}}}\,\,\text{+}\,\,\text{HCO}_{\text{3}}^{\text{-}}\,\xrightarrow{{}}\,{{\text{H}}_{\text{2}}}\text{O}\,\text{+}\,\text{C}{{\text{O}}_{\text{2}}}\\\text{0,01}\,\,\to \,\text{0,01}\,\,\,\,\,\,\,\,\,\,\,\,\xrightarrow{{}}\,\,\,\,\,\,\,\,\text{0,01}\\\Rightarrow \,{{\text{V}}_{\text{C}{{\text{O}}_{\text{2}}}}}\,\text{=}\,\text{0,224}\,\text{lit}\end{array}$
