1: Nêu hiӋ QWѭ ӧng Ý 2: &KҩWUҳQWKXÿѭӧFVDX 0 SKҧQӭQJ JӗP FKҩWQjR" Ý 1: Tìm cơng thӭc FexOy 0 1 Ý 2: Chҩ t tҥ o sӕ 0 1 0 0 FKҩWSKҧQӭQJYӟLQKDX ? Ý 1: ViӃ t PTHH mol SO2 lӟn nhҩ t? Ý 1: 9LӃW37++ Ý : Có FһS 0 Ý 2: Tính NKӕLOѭӧQJ 0 FURPEӏÿӕWFKi\ 1 Ý 1: ViӃ t PTHH 0 1 FiFGXQJGӏFK;