a)\(n_{H_2}=\dfrac{19,832}{24,79}=0,8\left(mol\right)\)
\(PTHH:Zn+H_2SO_4\xrightarrow[]{}ZnSO_4+H_2\)
tỉ lệ :1 1 1 1
số mol :0,8 0,8 0,8 0,8
\(m_{Zn}=0,8.65=52\left(g\right)\)
b)\(m_{H_2SO_4}=0.8.98=78,4\left(g\right)\)
c)\(m_{ZnSO_4}=0,8.161=128\left(g\right)\)