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chichu6996
2 năm trước
tính thành phần phần trăm về thể tích của mỗi khí có trong 33.6 lít hỗn hợp khí gồm metan (CH4) và axetilen (C2H2). biết rằng thể tích khí metan nhiều gấp 2 lần thể tích khí axetilen
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