\(a,Zn+2HCl\rightarrow ZnCl_2+H_2\\ b,n_{H_2}=\dfrac{4,958}{24,79}=0,2mol\\ n_{HCl}=0,2.2=0,4mol\\ m_{HCl}=0,4.36,5=14,6g\\ c,n_{ZnCl_2}=n_{Zn}=n_{H_2}=0,2mol\\ m_{ZnCl_2}=0,2.136=27,2g\\ d,m_{HCl,TT}=14,6:80.100=18,25g\\ m_{Zn,LT}=0,2.65=13g\\ m_{Zn,TT}=13:80.100=16,25g\)
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