[hóa 10]Điều Chế

L

lequochoanglt

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K

keepyourheaddown

Đc H2SO4
KMnO4 --> K2MnO4+ MnO2+ O2
S+ O2--> SO2
SO2 +O2--> SO3
SO3+ H2O---> H2SO4
Đc Fe(OH)3
Fe+H2SO4-->FeSO4 + H2
FeSO4+ KMnO4+ H2SO4---> Fe2(SO4)3+ K2SO4+ MnSO4+H2O
Na+H2O-->NaOH+ H2
Fe2(SO4)3 +NaOH--->Fe(OH)3+Na2SO4
 
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