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maivanminh
2 năm trước
Cho 50,4 l hỗn hợp khí gồm SO2 và N2O5 ở đktc và 1 bình kín. Người ta đem cân bình đựng hỗn hợp khí đó thì thấy các khí đó nặng 156g. Tính khối lượng và thể tích của từng khí trong hỗn hợp
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