Hỏi nhẹ: Sao không tag mình vậy :)))
Bài 1:
\(\left(1\right)2NaCl\underrightarrow{dpnc}2Na+Cl_2\\ \left(2\right)Cl_2+H_2\underrightarrow{t^o}2HCl\\ \left(3\right)2HCl+Mg\rightarrow MgCl_2+H_2\\ \left(4\right)4Na+O_2\underrightarrow{t^o}2Na_2O \\ \left(5\right)Na_2O+H_2O\rightarrow2NaOH\\ \left(6\right)2Na+Cl_2\underrightarrow{t^o}2NaCl\\ \left(7\right)Na_2O+2HCl\rightarrow2NaCl+H_2O\\ \left(8\right)MgCl_2+2NaOH\rightarrow2NaCl+Mg\left(OH\right)_2\)
Bài 2:
\(\left(1\right)Fe_2O_3+3H_2\underrightarrow{t^o}2Fe+3H_2O\\ \left(2\right)Fe_2O_3+3CO\underrightarrow{t^o}2Fe+3CO_2\\ \left(3\right)2Fe_2O_3+3C\underrightarrow{t^o}4Fe+3CO_2\\ \left(4\right)Fe+2HCl\rightarrow FeCl_2+H_2\\ \left(5\right)2FeCl_2+Cl_2\underrightarrow{t^o}2FeCl_3\)
