Chemistry, 08.09.2021 14:00 Hellopeople233

cho khí CO dư đi qua ống sứ chứa 15,2g hỗn hợp hai oxit CuO và Fe3O4 nung nóng thu được khí (X) và 13,6g chất rắn (Y). Dẫn từ từ khí (X) vào nước vôi trong dư thu được m gam kết tủa. Lọc lấy kết tủa rồi đem nung đến khối lượng không đổi thu được m1 gam chất rắn. Giá trị của m1 là?

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cho khí CO dư đi qua ống sứ chứa 15,2g hỗn hợp hai oxit CuO và Fe3O4 nung nóng thu được khí (X) và 1...

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