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
<em><span>Li2SO4 + H2SO4 = 2LiHSO4</span></em>
Fe+2HCl=FeCl2+H2
FeCl2+2NaOH=2NaCl+Fe(OH)2
Fe(OH)2=нагревание FeO+H2O
FeO+2HNO3=Fe(NO3)2+H2O
М (О2)=32г/моль
8г/32=0,25моль
22,4*0,25=5.6л