What is the pH of a solution with a hydrogen ion [H+] concentration of 10-8 M? 14:39 Biology Chapter 3 What is the pH of a solution with a hydrogen ion [H+] concentration of 10-8 M? A) pH 2 B) pH 4 C) pH 6 D) pH 8 E) pH 10 Answer: D) pH 8 Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+