K2CR2O7 + 6 FESO4+ 7 H2SO4K2SO4+ CR2 (SO4)3 + 3FE2(SO4)3+ 7 H2O.

5/ - BAI 6 DAP AN PHAN UNG OXI HOA KHU TB
BAI 6 DAP AN PHAN UNG OXI HOA KHU TB

5/ K

2

Cr

2

O

7

+ 6 FeSO

4

+ 7 H

2

SO

4

K

2

SO

4

+ Cr

2

(SO

4

)

3

+ 3Fe

2

(SO

4

)

3

+ 7 H

2

O.