ПОМОГИТЕ С 9 ЗАДАНИЕМ ПОЖАЛУЙСТА
C2H5Br + KOH =C2H5OH +KBr C2H5OH =(H2SO4. 170)=C2H4 +H2O C2H4 + O2= CH3COH CH3COH + 2Cu(OH)2= CH3COOH +Cu2O +2H2O CH3COOH + NaHCO3= CH3COONa + CO2 + H2O CH3COONa = 82