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2 năm trước
Cho luồng khí hidro đi qua ống thủy tinh có chứa 20g bột đồng (III) oxit ở 400°C .Sau phản ứng thu được 16,8 g chất rắn. a Nêu hiện tượng phản ứng xảy ra? b Tính thể tích khí hidro tham gia phản ứng trên ở điều kiện tiêu chuẩn?
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