下列有关硫化亚铁跟浓硫酸反应的方程式正确的是( )
A.
2 FeS+6H 2 SO 4 =Fe 2 (SO 4 ) 3 +3SO 2 ↑+2S+6H 2 O
B.
4 FeS+18H 2 SO 4 =2Fe 2 (SO 4 ) 3 +9SO 2 ↑+7S+18H 2 O
C.
6 FeS+16H 2 SO 4 =3Fe 2 (SO 4 ) 3 +6SO 2 ↑+7S+16H 2 O
D.
8 FeS+18H 2 SO 4 =4Fe 2 (SO 4 ) 3 +3SO 2 ↑+11S+18H 2 O