寫離子方程式                                                 ...

問題詳情：

寫離子方程式                                                                                                                        

（1）氧化銅溶於鹽*  ___________________________________________________                                                                                                                

（2）鐵跟稀硫*反應_____________________________________________________                                                                                                                

（3）*氧化鋇溶液和稀硫*反應_________________________________________                                                                                                                   

【回答】

CuO+2H+=Cu2++H2O                                                                                                                     

      Fe+2H+=Fe2++H2↑                                                                                                               

      Ba2++2OH-+2H++SO42-=BaSO4↓+2H2O           

知識點：離子反應

題型：填空題