nataoli3375
06.08.2021 •
Chemistry
Cho 7,8gam hỗn hợp A gồm metanol và etanol tác dụng với kali dư thu được 2,24 lít khí hidro ở đktc. Xác định thành phần phần trăm về khối lượng các chất trong hỗn hợp đầu ,tính khối lượng kali đã dùng và tính khối lượng muối thu được.
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