\(a,n_{Zn}=\dfrac{1,95}{65}=0,03\left(mol\right)\)
PTHH: Zn + 2HCl ---> ZnCl2 + H2
0,03-->0,06------>0,03--->,03
=> \(\left\{{}\begin{matrix}b,V_{H_2}=0,03.22,4=0,672\left(l\right)\\b,m_{ZnCl_2}=0,03.136=4,08\left(g\right)\end{matrix}\right.\)
\(n_{Zn}=\dfrac{1,95}{65}=0,03\left(mol\right)\\ pthh:Zn+2HCl\rightarrow ZnCl_2+H_2\)
0,03 0,03 0,03
=>\(\left\{{}\begin{matrix}m_{ZnCl_2}=136.0,03=4,08\left(g\right)\\V_{H_2}=0,03.22,4=0,672\left(l\right)\end{matrix}\right.\)