摘要:10.将下列5种物质:N2O.FeSO4.Fe(NO3)3.HNO3和Fe2(SO4)3分别填入下面对应的横线上 + ―→ + + +H2O组成一个未配平的化学方程式.正确的顺序是 ( ) A.FeSO4.Fe(NO3)3,Fe2(SO4)3.HNO3.N2O B.HNO3.FeSO4,Fe2(SO4)3.Fe(NO3)3.N2O C.HNO3.Fe2(SO4)3,FeSO4.Fe(NO3)3.N2O D.Fe2(SO4)3.N2O,FeSO4.HNO3.Fe(NO3)3 解析:依据所给物质的性质.可得到是HNO3将FeSO4氧化. 答案:B

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(1)请将下列5种物质:N2O、FeSO4、Fe(NO3)3、HNO3和Fe2(SO4)3分别填入下面对应的横线上,组成一个未配平的化学方程式。

                                                                                                                              +                   +            +            + H2O

(2)反应物中发生氧化反应的物质是                                                                                    ,被还原的元素是                                                                                                                             

(3)反应中1 mol氧化剂                                                                                               (填“得到”或“失去”)                                                                                                                             mol电子。

(4)请将反应物的化学式及配平后的系数填入下列相应的位置中。

                                                                                                                                  

               +                                                                                                   

                                                                                                                      

 

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(1)请将下列5种物质:N2O、FeSO4、Fe(NO3)3、HNO3和Fe2(SO4)3分别填入下面对应的横线上,组成一个未配平的化学方程式。

                                                                                                                              +                   +            +            +H2O

(2)反应物中发生氧化反应的物质是                                                                                    ,被还原的元素是                                                                                                                             

(3)反应中1 mol氧化剂                                                                                               (填“得到”或“失去”)                                                                                                                             mol电子。

(4)请将反应物的化学式及配平后的系数填入下列相应的位置中。

                                                                                                                                 

              +                                                                                                   

                                                                                                                     

 

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