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K->KOH->Zn(OH)2->ZnO ->ZnCl2->ZnSO4
C->CO2->H2CO3->NaCO3->NaCl->HCl
K->KOH->Zn(OH)2->ZnO ->ZnCl2->ZnSO4
C->CO2->H2CO3->NaCO3->NaCl->HCl
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Answers & Comments
ZnCl2+2KOH=Zn(OH)2+2KCl
Zn(OH)2=ZnO+H2O
ZnO+2HCl=ZnCl2+H2O
ZnCl2+HgSO4=HgCl2+ZnSO4
C+O2=CO2
CO2+H2O=H2CO3
H2CO3+2NaOH=Na2CO3+2H2O
Na2CO3+2HCl=2NaCl+H2O+CO2
2NaCl+2H2O=2NaOH+H2+Cl2 электролиз