Which Statement Below Is NOT Correct for the PH of a 0.01

Which statement below is NOT correct for the pH of a 0.01 M NaCl solution versus the pH of a 0.01 M in FeSO₄ solution?

A) The activity coefficient for H⁺ will be larger in 0.01 M NaCl than in 0.01 M FeSO₄.
B) The activity coefficient for OH⁻ will be larger in 0.01 M NaCl than in 0.01 M FeSO₄.
C) The hydronium concentration in 0.01 M NaCl will equal the hydronium concentration in 0.01 M FeSO₄.
D) The H⁺ activity in 0.01 M NaCl will not equal the H⁺ activity in 0.01 M FeSO₄.
E) The OH⁻ activity in 0.01 M NaCl will not equal the OH⁻ activity in 0.01 M FeSO₄.