Which option shows a correctly balanced chemical equation?
(1 point)
O. H₂SO4 + 8HI H₂S+ 412 + 4H₂O
O. 2H₂SO4 + 2HI → 2H₂S + 12 + 4H₂O
O. H₂SO4 + HI-→ H₂S + 12 + H₂O
H₂SO4 + 8HI
O. H₂S + 812 + 4H₂O