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pqacun
2 năm trước
Bài 9: Đốt cháy hoàn toàn m gam hợp chất hữu cơ A cần 6,72 lít O2 (đktc). Sau phản ứng thu được 3,6 gam nước và 8,8 gam CO2. Tìm CTPT của X biết tỷ khối hơi của X so với khí nitơ là 2? Mn giúp em vs ạ ^^
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