\(n_{Zn}=\dfrac{6,5}{65}=0,1mol\\ Zn+2HCl\rightarrow ZnCl_2+H_2\\ n_{H_2}=n_{Zn}=0,1mol\\ V_{H_2}=0,1.24,79=2,479l\)
\(n_{Zn}=\dfrac{6,5}{65}=0,1\left(mol\right)\)
\(n_{H_2}=n_{Zn}=0,1\left(mol\right)\\ \Rightarrow V_{H_2}=0,1.24,79=2,479\left(l\right)\)