: Đốt cháy hoàn toàn 5,6 lít khí metan CH4 trong không khí tạo ra khí cacbonic và hơi nước. a) Viết phương trình hóa học của phản ứng b) Tính thể tích khí cacbonic thu được ở đktc c) Tính thể tích không khí cần dùng ở đktc. Biết rằng oxi chiếm 1/5 thể tích không khí.

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