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nguyenthimyle1132005
2 năm trước
Đốt cháy hoàn toàn hợp chất hữu cơ A cần vừa đủ 6,72 lít khí O2 (ở đktc), thu được 13,2 gam CO2 và 5,4 gam H2O. Xác định CTPT của A, biết tỉ khối hơi của A đối với heli là 7,5.
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