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vduydz61
2 năm trước
Để hòa tan 2,32 gam hh gồm FeO,Fe3O4,,Fe2O3, ( trong đó số mol FeO bằng số mol Fe2O3 ,cần dùng vừa đủ V lít đ HCl 1M . Giá trị của V ??? A 0,23 B 0,18. C 0,08. D 0,16
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