Calculate the hydrogen ion concentration in a solution of fruit juice having a pH of 4.25.
A) 1.0 x 10^-14 M
B) 5.6 x 10^-5 M
C) 4.0 x 10^-25 M
D) 2.5 x 10^-4 M
E) 5.6 x 10^-4 M