Will no3 - ions affect the ph of a solution? will ions affect the ph of a solution? no3 - ions will not affect the ph. no3 - ions will decrease the ph. no3 - ions will increase the ph.

NO3 - will affect the pH of a solution. The ion will decrease the pH of a neutral solution. No3 - ion is a conjugate base of a strong acid, therefore, if it added to a neutral solution of pH 7, it will change the pH of the solution by decreasing the pH, that is, the solution will become acidic in nature.