\(n_{H_2}=\dfrac{2,24}{22,4}=0,1mol\)
\(Zn+2HCl\rightarrow ZnCl_2+H_2\)
0,1 0,2 0,1 ( mol )
\(m_{Zn}=0,1.65=6,5g\)
\(C_{M_{HCl}}=\dfrac{0,2}{0,25}=0,8M\)
\(n_{H_2}=\dfrac{2,24}{22,4}=0,1\left(mol\right)\\
pthh:Zn+2HCl\rightarrow ZnCl_2+H_2\)
0,1 0,2 0,1
\(m_{Zn}=0,1.65=6,5g\\
C_{M\left(HCl\right)}=\dfrac{0,2}{0,25}=0,8M\)