写出化学方程式,一步实现下列转变。(1)Al→NaAlO2                          ...

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写出化学方程式,一步实现下列转变。(1)Al→NaAlO2                          ...

写出化学方程式,一步实现下列转变。

(1)Al→NaAlO2                                                  

(2)Al2O3→AlCl3                                                      

(3)Fe(OH)2→Fe(OH)3                                                  

(4)Na2O2→Na2CO3                                                   

(5)Na2CO3→NaHCO3                                                                        

【回答】

(1) 2Al+2NaOH+2H2O=2NaAlO2+3H2↑                                           

(2)Al2O3+6HCl=2AlCl3+3H2O                                                

(3) 4Fe(OH)2 + O2 + 2H2O = 4Fe(OH)3                                              

(4)2Na2O2+2CO2=2Na2CO3+O2                                            

(5)Na2CO3+ CO2+ H2O=2 NaHCO3

知识点:镁和铝

题型:填空题

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