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Chemistry, 25.07.2021 08:40 fooligan3448

Dung dịch X chứa 0,12 mol Mg2+; 0,1 mol Fe3+; a mol Cl- và b mol SO42-. Cô cạn X thu được 31,4 gam muối khan. Cho BaCl2 dư vào X thu được m gam kết tủa. Giá trị của m là?

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Dung dịch X chứa 0,12 mol Mg2+; 0,1 mol Fe3+; a mol Cl- và b mol SO42-. Cô cạn X thu được 31,4 gam m...

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