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nhokyeugame2001
2 năm trước
hòa tan 174g hỗn hợp 2 muối cacbonat và sunfit của cùng 1 kim loại kiềm vào dd hcl dư. Toàn bộ khí thoát ra được hấp thụ tối thiểu bởi 500ml dd koh 3M. Tìm tên kim loại kiềm
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