решите 5)б ............
5)A1)Сl2+h2=2HCl
2HCl+2Na=2NaCl+H2
NaCL+AgNO3=AgCl+NaNO3
A2)Cl2+2Na=2NaCl
A3)HCl+AgNO3=AgCl+HNO3
Б)HCOOH+C2H5OH=(H2SO4)==HCOOC2H5+H2O
HCOOC2H5+H2O=HCOOH+C2H5OH
C2H5OH+[O]=CH3COH+H2O
CH3COH+[O]=CH3COOH+H2O
2CH3COOH+2K=2CH3COOK+H2
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