a,
\(n_{HCl}=0,35\left(mol\right)\)
\(NaHCO_3+HCl\rightarrow NaCl+CO_2+H_2O\)
a______________a___________a_________
\(NaHSO_3+HCl\rightarrow NaCl+SO_2+H_2O\)
b_________b_________________b__________
\(\left\{{}\begin{matrix}84a+104b=33,4\\a+b=0,35\end{matrix}\right.\Rightarrow\left\{{}\begin{matrix}a=0,15\\b=0,2\end{matrix}\right.\)
\(\%_{NaHCO3}=\frac{0,15.84.100}{33,4}=34,72\%\)
\(\%_{NaHSO3}=100\%-34,72\%=62,28\%\)
b,
\(\%V_{CO2}=\frac{0,15.100}{0,15+0,2}=42,86\%\)
\(\%V_{SO2}=100\%-42,86\%=57,14\%\)