Respuesta :

SvetkaChem

Answer:

[H+] =3.1 x 10-4 M more acidic

Explanation:

3.1 x 10-4 M >> 2.5 x 10-10 M,

so solution with [H+] =3.1 x 10-4 M  has more H+ ions, and because of it, this solution is more acidic.