$\color{Red}{\fbox{★Hóa 9★}}\color{Magenta}{\fbox{game nối chuỗi phản ứng VER.3}}$

[nom1]

tại sao lại là axit đặc vậy bạn? loãng vẫn được mà
MgSO4 + BaCl2 -> MgCl2 + BaSO4

 

[phankyanhls2000]

MgCl2+NaOH--->Mg(OH)2+NaCl
...............................
...............................

 

[nom1]

Mg(OH)2 -to-> MgO + H2O
....................................

 

[phankyanhls2000]

MgO+HCl--->MgCl2+H2O
.......................................

 

[chungthuychung]

$MgCl_2+NaOH--->NaCl+Mg(OH)_2$
--------------------
--------------------------

 

[phankyanhls2000]

NaCl---dpnc--->Na+Cl2
....................................

 

[nom1]

Cl2 + H2O <-> HCl + HClO
,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,

 

[chungthuychung]

$HCl+Fe------>FeCl_2+H_2$
--------------------
-------------

 

[tranthai1345]

H2 + CuO --to---> H2O + Cu

----------------------------------

 

[nom1]

Cu + AgNO3 -> Cu(NO3)2 + Ag
.........................................

 

[chungthuychung]

$Cu(NO_3)2+NaOH---->Cu(OH)_2+NaNO_3$
---------------------------------

 

[phankyanhls2000]

$Cu(OH)_2--t^o-->CuO+H_2O$
...................................................

 

[nom1]

CuO + H2 -to-> Cu + H2O
......................................

 

[phankyanhls2000]

Cu+Cl2--->CuCl2
...........................
...........................

 

[nom1]

CuCl2 + AgNO3 -> Cu(NO3)2 + AgCl
.................................................

 

[phankyanhls2000]

Cu(NO3)2+NaOH--->NaNO3+Cu(OH)2
............................................................

 

[toiyeu9a3]

$Cu(OH)_2 + H_2SO_4 ---> CuSO_4 + 2H_2O$
_____________________________________________________

 

[nom1]

CuSO4 + BaCl2 -> CuCl2 + BaSO4
..................................................

 

[phankyanhls2000]

CuCl2+NaOH--->Cu(OH)2+NaCl
..................................................

 

[tranthai1345]

NaCl + H2SO4(đặc) ----> NaHSO4 + HCl
..............................................................