Mathematics, 22.07.2021 14:00 oomale

A có Công thức phân tử CxHy B có công thức phân tử C2xHy xác định công thức phân tử của A và B biết tỉ khối hơi của A đối với H2 là 15 và của B đối với A là 1,8

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A có Công thức phân tử CxHy B có công thức phân tử C2xHy xác định công thức phân tử của A và B biết...

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