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chinchanh2002
2 năm trước
Hỗn hợp X gồm O2 và N2 có tỉ khối so với H2 là 14,5. Lấy 2,3g X tác dụng với 0,3g S trong bình kín ở nhiệt độ thích hợp. Sau phản ứng thu được hỗn hợp khí Y. Xác định tỉ khối của Y đối với Hiđro.
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