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baracktun
2 năm trước
đốt cháy hoàn toàn 6g một hợp chất A trong oxi thu đc 4,48 lít khí cacbonic(đktc) và 3,6g nước. Biết 1 lít hơi chất A (đktc) nặng 2,679g. Tìm công thức phân tử của A Giúp mik nha ^-^ Mik vote 5 sao + trả lời hay nhất
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