Odpowiedź :
NaOH+HNO3--->NaNO3+H2O
Na+ +OH- +H+ +NO3- --->Na+ +NO3- +H2O
OH- +H+ --->H2O
2 Na+2 HNO3--->2 NaNO3+H2
Na2O+2 HNO3--->2 NaNO3+H2O
NaOH+HNO3--->NaNO3+H2O
Na+ +OH- +H+ +NO3- --->Na+ +NO3- +H2O
OH- +H+ --->H2O
2 Na+2 HNO3--->2 NaNO3+H2
Na2O+2 HNO3--->2 NaNO3+H2O