Chemistry, 14.08.2021 14:00 vlactawhalm29

Để khử hoàn toàn 4,56 gam hỗn hợp X gồm FeO, Fe2O3, Fe3O4 cần 0,075 mol H2. Mặt khác hòa tan hoàn toàn 4,56 gam hỗn hợp X trong dung dịch H2SO4 đặc nóng dư thu được V ml khí SO2 (đktc), Tính V.

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Để khử hoàn toàn 4,56 gam hỗn hợp X gồm FeO, Fe2O3, Fe3O4 cần 0,075 mol H2. Mặt khác hòa tan hoàn to...