Answer:
When sodium nitrate (NaNO3) is dissolved in water, the resulting solution is neutral. NaNO2 = Na+ + NO2-
NO2- + H2O = HNO2 + OH-
The solution is basic
NaNO3 = Na+ + NO3-
NO3- is the conjugate base of the strong acid HNO3 will not react with water so the resulting solution is neutral