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Huyenvip0026
2 năm trước
Hoà tan hoàn toàn 2,84 g hỗn hợp 2 muối cacbonat của 2 kim loại nhóm IIA và thuộc hai chu kỳ liên tiếp trong bảng tuần hoàn bằng dd HCL, thu được dd X và 672ml CO2 đktc. Hai kim loại đó là?
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