3) <span>X – KOH; Y – CuO
</span>C2H5Cl+KOH-->C2H5OH + KCl
C2H5OH+CuO--t-->H3C-COH + Cu +H2O
ZnCl2+4NaOH(изб)=Na2[Zn(OH)4]+2NaCL
Na2[Zn(OH)4]+2CO2=>Zn(OH)2+2NaHCO3+H2O
Zn(OH)2=>ZnO+H2O
2ZnO+C=>2Zn+CO2
M(KOHр-р)=800×1.033=826.4г
m(КОНв-в)=(4%×826.4)/100%=33г
n[KOH]=33г/56г/моль=0.59 моль
CH--CH-CH-CH3
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OH OH OH