`text{Các phương pháp điều chế muối là : }`

`1` Acid + base

Vd : $H_2SO_4$ `+` $Cu(OH)_2$ `to` $CuSO_4$ `+` $2H_2O$

`2` Acid + oxide base

Vd :  $2HCl$ `+` $CuO$ `to` $CuCl_2$ `+` $H_2O$

`3` Acid + muối

Vd :  $BaCl_2$ `+` $H_2SO_4$ `to` $BaSO_4$`downarrow` `+` $2HCl$

`4` Base + oxide acid 

Vd : $2NaOH$ `+` $CO_2$ `to` $Na_2CO_3$ `+` $H_2O$

`5` Muối + muối

Vd : $AgNO_3$ `+` $NaCl$ `to` $AgCl$`downarrow`  `+` $NaNO_3$

`6` Kim loại + Acid

Vd : $Zn$ `+` $2HCl$ `to` $ZnCl_2$ `+` $H_2$ `uparrow`

`7` Base + muối

Vd :  $FeCL_3$ `+` $3NaOH$ `to` $Fe(OH)_3$`downarrow`  `+` $3NaCl$

`\color{#00676B}{C} \color{#008489} {h} \color{#009298}{i} \color{#00A6AD}{p} \color{#00B2BF} {p}`