\(n_{Zn}=\dfrac{3,25}{65}=0,05\left(mol\right)\\
pthh:Zn+2HCl\rightarrow ZnCl_2+H_2\)
0,05 0,05
\(pthh:H_2+CuO\underrightarrow{400^o}H_2O+Cu\)
0,05 0,05
=> \(\left\{{}\begin{matrix}m_{Cu}=0,05.64=3,2\left(g\right)\\V_{H_2}=0,05.22,4=1,12\left(l\right)\end{matrix}\right.\)
\(n_{Zn}=\dfrac{6,5}{65}=0,1\left(mol\right)\\
pthh:Zn+H_2SO_4\rightarrow ZnSO_4+H_2\)
0,1 0,1 0,1 0,1
=> \(\left\{{}\begin{matrix}m_{ZnCl_2}=0,1.136=13,6\left(g\right)\\m_{H_2SO_4}=0,1.98=9,8\left(g\right)\\V_{H_2}=0,1.22,4=2,24\left(l\right)\end{matrix}\right.\)