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ahnts2703
2 năm trước
Cho 3 hidrocacbon khí X Y Z có tỉ lệ khối lượng phân tử lần lượt là 20: 21: 22. Đốt cháy hoàn toàn 2,24 l hỗn hợp khí gồm X Y Z theo bất kì tỉ lệ mol nào cũng thu được 13,2 gam CO2. Tìm công thức phân tử của X Y Z.
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