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Mô tả theo sơ đồ sau: $\begin{array}{*{20}{c}} {} \\ A \\ {} \\ {} \end{array}\left| \begin{gathered} FeC{l_2} \\ NaCl \\ AlC{l_3} \\ CuC{l_2} \\ \end{gathered} \right.\,\,\xrightarrow{{hòa vào H_2O}}\,\,dd\,\,A\left| \begin{gathered} FeC{l_2} \\ NaCl \\ AlC{l_3} \\ CuC{l_2} \\ \end{gathered} \right.\,\,\xrightarrow{{cho bột Al vào }}\,\,\left| \begin{gathered}\to dd\,\,B \left| \begin{gathered} NaCl \\ AlC{l_3} \\ \end{gathered} \right. \\ \to \,\,chất rắn C \left| \begin{gathered} Fe \\ Cu \\ \end{gathered} \right.\,\,\\ \end{gathered} \right.$
$\left| \begin{gathered} Fe\\ Cu \\ \end{gathered} \right.\xrightarrow{{HCl}}\left| \begin{gathered} \to dd\,\,FeC{l_2}\xrightarrow{{cô cạn}}FeC{l_2} \\ \to Cu\xrightarrow{{ + C{l_2}}}CuC{l_2} \\ \end{gathered} \right.$
$dd\,B\,\left| \begin{gathered} NaCl\\ AlC{l_3} \\ \end{gathered} \right.\xrightarrow{{dd\,N{H_3}\, dư}}\left| \begin{gathered} \to \left| \begin{gathered} NaCl \\ dd\,\,D\,\,N{H_4}Cl\,\, \\ dd\,\,N{H_3}\,\, dư \\ \end{gathered} \right.\xrightarrow{{nung}}NaCl\,\,(rắn) \\ \to Al{(OH)_3}\xrightarrow{{ + HCl}}dd\,\,AlC{l_3}\xrightarrow{{cô\,cạn}}AlC{l_3} \\ \end{gathered} \right.$
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Trả lời 05-09-12 07:21 AM
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