Chemistry, 03.10.2021 14:00 yarrito20011307

Đốt cháy bột Al kim loại trong không khí thu đc nhôm oxit(Al2O3) Viết phương trình hóa học của phản ứng đó.
Nếu đốt cháy hết 4,05g bột Al thì thu dcd bao nhiêu gam Al2O3
Để thu đc 25,5g Al2O3 thì cần đốt cháy hết bnh gam bột Al và cần dùng ít nhất bnh lí O2

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