Chemistry, 05.08.2021 06:00, heavenwagner

Khử hoàn toàn 17.6g hỗn hợp gồm fe, feo, fe203 cần 2.24 lít khí CO(đktc) khối lượng sắt thu được là

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Khử hoàn toàn 17.6g hỗn hợp gồm fe, feo, fe203 cần 2.24 lít khí CO(đktc) khối lượng sắt thu được là...