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phutnmtgialai
2 năm trước
Bài 1: Đốt cháy hoàn toàn hidrocacbon A thu được 5,6 lít khí CO2 đktc và 6,75 g H2O. Tỉ khối dA/H2=15. Xã định CTPT của A Bài 2: Đốt cháy hoàn toàn 1,45 gam hidrocacbon A thu được 2,24 lít CO2 đo ddktc và m gam nước. Xã định CTPT của A biết dA/O2=1,8125
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