2CH3-COOH + Mg => (CH3-COO)2Mg +H2
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Ответ:
CH3 - CH - CH2 - CH2 - CH3
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C3H7 C2H5
2Zn +HNO3 ->Zn(No3)2 +No2+H20
zn0-2e--zn+2
CuO + N2O5 ----> Cu(NO3)2
Cu(NO3)2 + 2KOH -----> 2KNO3 + Cu(OH)2 ( осадок )
Cu(OH)2 ---t----> CuO + H2O