Li2O + SO2 = Li2SO3
3Li2O + 2H3PO4 = 2Li3PO4 + 3H2O
Li2O + H2O = 2LiOH
Li2O + N2O3 = 2 LiNO2
CH3
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CH3–C–CH≡CH–CH–CH2
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CH3 CH3
CH2≡CH–CH–CH3
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CH3
CH3–CH–CH≡CH–CH–CH3
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CH3 CH3
CH3–CH–CH–CH≡CH–CH2–CH2–CH3
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CH3 C2H5
Пентен, С5Н10-молекулярная формула, СН2=СН-СН2-СН2-СН3- структурная формула