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kenlevil299
2 năm trước
Từ các chất Na2O,Fe2(SO4)3,H2O,H2SO4 đặc nóng,Cu.Viết PT điều chế: a.NaOH b.Cu(OH)2 c.CuO d.Na2SO4 e. Hỗn hợp:Fe(OH)3 Cu(OH)2
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