Đốt cháy hoàn toàn 10,8 gam nhôm trong không khí, biết rằng nhôm cháy với khí oxi, tạo thành nhôm oxit. a. Viết PTHH của phản ứng. b. Tính khối lượng nhôm oxit tạo thành. c. Tính thể tích không khí cần dùng ở đktc. Biết khí oxi chiếm 1/5 thể tích không khí.

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