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huyenne2910
2 năm trước
Cho 34,6 gam hỗn hợp phenol, etanol và metanol tác dụng vừa đủ với 100ml dung dịch NaOH 1M. Cũng lượng hỗn hợp trên tác dụng hết với Na thu được 8,96 lít H2 (đktc). Phần trăm khối lượng của etanol trong hỗn hợp
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