\(n_{CO3^{2-}}=0,15\left(mol\right),n_{HCO3}=0,1\left(mol\right);n_{H^+}=0,2\left(mol\right)\)
\(H+CO_3^{2-}\rightarrow HCO_{3^-}\)
0,2_0,15______0,15________(mol)
\(H+HCO_{3^-}\rightarrow CO_2+H_2O\)
0,05_0,25______________0,05____(mol)
\(\rightarrow V_{CO2}=1,12\left(l\right)\)