\(n_{Zn}=\dfrac{16,25}{65}=0,25\left(mol\right)\\ Zn+2HCl\rightarrow ZnCl_2+H_2\\ n_{H_2}=n_{Zn}=0,25\left(mol\right)\\ V_{H_2\left(đktc\right)}=0,25.22,4=5,6\left(l\right)\)
Zn + 2HCl -> ZnCl2 + H2
0.25 0.25
nZn = 0.25 mol
\(V_{H2}=0.25\times22.4=5.6l\)
Zn + 2HCl \(\rightarrow\) ZnCl2 + H2
\(n_{Zn}=\dfrac{16,25}{65}=0,25mol\)
\(n_{H_2}=0,25mol\\ V_{H_2}=0,25.22,4=5,6l\)