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Nguyenducthuylam
2 năm trước
Đốt cháy hoàn toàn 1.69kali trong bình chứa oxi . thu đc kali oxit a ) vt pthh của pư tren và cho bt sản phẩm thuộc loại oxit nào b ) tính khối lượng kkali oxit thu đc c ) tính thể tích khí oxi đã tham gia p/tr ở đktc
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