August 2021 0 17 Report
13. Определите формулу соединения, если m(C):m(H):m(O)= 6:1:8. Ar(C)=12, Ar(H)=1, Ar(O)=16
A) CH4O
B)C2H6O
C)C3H6O2
D)C2H6O2
E)CH2O
пж помогите оочень срочно
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