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duongto
2 năm trước
Thêm m gam kali vào 300ml dd chứa `Ba(OH)_2` `0,1M` và `NaOH` `0,1M` thu được dd X. cho từ từ dd X vào `200ml` dd `Al_2(SO_4)_3` `0,1M` thu được kết tủa Y. 1) viết phương trình phản ứng 2)Để Y lớn nhất thì giá trị của m là bao nhiêu ? (giải theo cách căn bản của lớp `9` nha mn=))), `60` điểm
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