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2 năm trước
Câu 10. Hỗn hợp khí Y gồm 6,4 gam CH4; 5,6 lít khí N2 và 9,6 gam SO2. Tỉ khối của hỗn hợp khí Y đối với khí H2 bằng bao nhiêu? A. 23. B. 28,75. C. 14,375. D. 21,6. Làm tự luận hộ mình ạ
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