emmanuelmashao6704
20.02.2022 •
Chemistry
Một kim loại tạo với oxi hai oxit. Khi đun nóng 3 g mỗi oxit trong một luồng khí hiđro có dư,
lượng nước lần lượt thu được là 0,679 g và 0,377 g.
a/ Tính đương lượng của kim loại trong từng oxit
b/ Định tên kim loại.
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