Question

[Thao Đinh]

Bài tập. Hoàn thành các phương trình hoá học sau:

     1.     SO₃             + H₂O ®      H₂SO₄                              

     2.      Ca(OH)₂    +   C0₂ ®   H₂O    +  CaCO₃

     3.      HCl            +  CaCO₃ ® CaCl₂  +  H₂O  +  CO₂      

     4.      CaCO₃               ®    CaO  + CO₂

     5.      H₂SO₄            + ……… ®   CuSO₄ + H₂O       

     6.      Na₂CO₃    +   HCl  ®   NaCl  +  H₂O  +  CO₂                   

     7.      K₂O          +    H₂O ®    KOH

      8.     SO₂            +   Na₂O ®   Na₂SO₃                                      

         9.      Fe₂O₃       +  HCl    ® …………. +………

     10.    Ca(HCO₃)₂ +   Ca(OH)₂®    CaCO₃ +  H₂O    

     11.    NaOH         + ……… ®   NaCl + H₂O           

     12.    NaOH         + SO₂   ®    Na₂SO₃    + H₂O            

     13.     BaO            +   H₂O ®    Ba(OH)₂

    14.      CuO           +   HCl   ®………………  +   ………………….

    15.      BaO           +   CO₂       ®    BaCO₃

    16.      P₂O₅           +     H₂O   ®  H₃PO₄

    17.     CO₂             +    Ca(OH)₂      ®   CaCO₃ + H₂O

    18.     CaO             +     H₂O         ®    Ca(OH)₂ 

    19.      CaO            +     HCl   ®     …………. +………         

    20.      Ca(OH)₂            +     HCl ® .....................................

    21.       C                +   O₂   ®   ...................

    22.       CuCl₂        +  AgNO₃         ®  .......................+   ...................

    23.        SO₂           +   H₂S ®  S  +   H₂O

    24.        SO₂           +   Ca(OH)₂    ®   CaSO₃  +  H₂O

    25.         CO            +   O₂   ®   CO₂

   26.           Na₂SO₃      +  H₂SO₄  ®   Na₂SO₄  +  H₂O  +  SO₂      

   27.         H₂SO₄       +   ……… ®  Al₂(SO₄)₃      +   H₂

    28.         HCl           +   ………. ® FeCl₂  +     H₂

    29.         Fe₂O₃       +  H₂SO₄     ®  ………+………

    30.        HCl            +    NaOH     ®          ………+………

    31.         Cu(OH)₂   +    HCl      ®   ……….+……..  

    32.        Zn              +  ………… ® ZnSO₄    +       H₂

    33.        H₂SO₄         +      CuO   ®  ..........           + .................      

    34.        Fe₃O₄         +    H₂   ®   Fe          +    ...........................

    35.        C₁₂H₂₂O₁₁     +   O₂   ®     CO₂   +    H₂O

    36.        S                 +  ……….. ®   SO₂

    37.        SO₂             +  O₂    ®    SO₃

    38.        Na₂O          +   H₂SO₄     ®  _{..........................._+    ..............................}     

    39.        NaOH         +    ……… ®    Na₂SO₄ +     H₂O

    40.        P₂O₅            +  Ca(OH)₂  ®    Ca₃(PO₄)₂  +    H₂O