Fe + O2 -> Na + H2O -> P + O2 -> KMnO4 -> Zn + HCL -> Na2O + H2O -> H2 + CuO -> H2 + O2 -> KCLO3 -> SO2 + H2O -> xin cảm ơn ạ

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1. Đáp án:3Fe+202 ->Fe3O4

     2Na+2H2O ->H2+2NaOH

   4P+5O2->2P2O5

   2KMnO4 ->MnO2+O2+K2MnO4

   Zn+2HCl ->H2+ZnCl2

   Na2O+H2O ->2NaOH

   2H2+O2 ->2H2O

   2KClO3 ->2KCl+302

   SO2+HO2 ->H2SO3

    

   Giải thích các bước giải:

    

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2. \(\begin{array}{l} 3Fe + 2{O_2} \to F{e_3}{O_4}\\ 2Na + 2{H_2}O \to 2NaOH + {H_2}\\ 4P + 5{O_2} \to 2{P_2}{O_5}\\ 2KMn{O_4} \to {K_2}Mn{O_4} + Mn{O_2} + {O_2}\\ Zn + 2HCl \to ZnC{l_2} + {H_2}\\ N{a_2}O + {H_2}O \to 2NaOH\\ {H_2} + CuO \to Cu + {H_2}O\\ 2{H_2} + {O_2} \to 2{H_2}O\\ 2KCl{O_3} \to 2KCl + 3{O_2}\\ S{O_2} + {H_2}O \to {H_2}S{O_3} \end{array}\)

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