N=N/Na => N=nNa=10*6*E23=6*E24 молекул
1) C2H5+Cl2=C2H5Cl+HCl
2)C2H5Cl+NaOH=C2H5OH+NaCl
3)C2H5OH+[O]=CH3COOH+H2O
4)CH3COOH+C5H11OH=CH3COOC5H11
5)CH3COOC5H11+NaOH=C5H11OH+CH3COONa
<span>6)C5H11OH+8O2=5CO2+6H2O</span>
S+O2=so2
So2+cao=caso3
...
So3+h2=so2+h2o
So2+NAOH=Na2So3+H2
FeCl2 + KOH = Fe(OH)2 + 2KCl
Fe(OH)2 = FeO + H2O