3FES+ 12 HNO3 FE(NO3)3 + FE2(SO4)3 + 9 NO+ 6 H2O.

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

5/ 3FeS+ 12 HNO

3

 Fe(NO

3

)

3

+ Fe

2

(SO

4

)

3

+ 9 NO+ 6 H

2

O.