урівняйте, будь ласка
Al+Cl2->AlCl3
Zn+H3PO4->Zn3(PO4)2+ H2
SO3-> SO2 +O2
MgCO3+ HCl->MgCO3+ CO2+ H2O
O2->O3
Zn+HCl-> ZnCl+ H2
CaO+H2O->Ca(OH)2
H2O->H2+O2
H2S+ O2-> S+H2O
NO+O2->NO2
дякую
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