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ducanh13092017
2 năm trước
Đem đốt Fe trong không khí thu được hợp chất A.Hòa tan A trong HCl dư được dung dịch B, cho dung dịch NaOH dư vào B rồi đun nóng lọc lấy kết tủa nung đến khối lượng không đổi được chất rắn C. Viết PTHH, xác định các chất A,B,C? các bạn giúp mình giải bài này với nhé! Cám ơn các bạn trước nha.
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