Fe(0)+H(+)Cl(-)->Fe(+3)Cl3(-)+H2(0)
Na(+)O(-2)H(+)+H(+)NO3(-)->Na(+)No3(-)+H2(+)O(-2)
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Fe(0)+H(+)Cl(-)->Fe(+3)Cl3(-)+H2(0)
Na(+)O(-2)H(+)+H(+)NO3(-)->Na(+)No3(-)+H2(+)O(-2)
Fe(0)+H(+)Cl(-)=Fe(+3)Cl(-)+H(0)
Fe(0)-3e=Fe(+3) 2 ок-ие
в-ль
2H(+) +2e=H2(0) 3. в-ие
ок-ль
NaOH+HNO3=NaNO3+H2O
Na(+)+OH(-)+H(+)+NO3(-)=Na(+)+NO3(-)+H2O
OH(-)+H(+)=H2O