题目

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                                                                         答案：（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

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