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2Na + 2HNO3 -> 2NaNO3 + H2
2.zasada + kwas -> sól +H2O
NaOH + HNO3 -> NaNO3 + H2O
Na+ + OH- + H+ + NO3- -> Na+ + NO3- +H2O
H+ + OH- ->H2O
3.tlenek metalu + kwas -> sól +H2O
Na2O + 2HNO3 -> 2NaNO3 + H20
4.tlenek metalu + tlenek kwasowy->sól
Na2O + N2O5 -> 2NaNO3
5. tlenek kwasowy + zasada -> sól + n. zasada
N2O5 + 2NaOH -> 2NaNO3 + H2O