\(a)Zn+2HCl\rightarrow ZnCl_2+H_2\\
b)n_{Zn}=\dfrac{6,5}{65}=0,1mol\\
Zn+2HCl\rightarrow ZnCl_2+H_2\)
0,1 0,2 0,1 0,1
\(m_{ZnCl_2}=0,1.136=13,6g\\ c)V_{H_2}=0,1.24,79=2,479l\\ d)C_{\%HCl}=\dfrac{0,2.36,5}{200}\cdot100\%=3,65\%\)