Каков процентный состав соединения с бутто формулой С4Н8О2
А) 54.5%С 9.1%Н 36,3%О
б)45.1%С 18.2%Н 36.6%О
в)63.5%С 10.5%Н 26.0%О
г)49,4%С 11.3%Н 39.3%О
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