Consider two aqueous solutions of nitrous acid (HNO₂).

Solution A has a concentration of [HNO₂] = 0.55 M and solution B has a concentration of [HNO₂] = 1.25 M.

Which statement about the two solutions is true?

a) Solution A has the higher percent ionization and the higher pH.

b) Solution B has the higher percent ionization and the higher pH.

c) Solution A has the higher percent ionization and solution B has the higher pH.

d) Solution B has the higher percent ionization and solution A has the higher pH.