\(a,n_{HCl}=0,1.3=0,3\left(mol\right)\\ Đặt:n_{CuO}=a\left(mol\right);n_{ZnO}=b\left(mol\right)\left(a,b>0\right)\\ PTHH:CuO+2HCl\rightarrow CuCl_2+H_2O\\ ZnO+2HCl\rightarrow ZnCl_2+H_2O\\ \Rightarrow\left\{{}\begin{matrix}80a+81b=12,1\\2a+2b=0,3\end{matrix}\right.\Leftrightarrow\left\{{}\begin{matrix}a=0,05\\b=0,1\end{matrix}\right.\\ \%m_{CuO}=\dfrac{80.0,05}{12,1}.100\approx33,058\%\\ \%m_{ZnO}=\dfrac{81.0,1}{12,1}.100\approx66,942\%\\ b,V_{ddsau}=V_{ddHCl}=0,3\left(l\right)\\ n_{CuCl_2}=n_{CuO}=a=0,05\left(mol\right);n_{ZnCl_2}=n_{ZnO}=b=0,1\left(mol\right)\\ C_{MddCuCl_2}=\dfrac{0,05}{0,3}=\dfrac{1}{6}\left(M\right);C_{MddZnCl_2}=\dfrac{0,1}{0,3}=\dfrac{1}{3}\left(M\right)\)