Question

[H+] = 2.5 x 10-10 M
[H+] = 3.1 x 10-4 M.
which one is more acidic

Answer 1

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

Step-by-step 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.