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khaihd
2 năm trước
Hợp chất hữu cơ A có thành phần khối lượng các nguyên tố sau: 40%C; 6,67%H; 53,33%C a/ Xác định công thức phân tử của A. Biết MA =60g/mol b/ Viết CTCT có thể có của A và cho biết chúng thuộc loại hợp chất nào?
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