Calculate the pH of a solution that is 0.15 M in HOCl and 0.25 M in NaOCl. Chemistry Calculate the pH of a solution that is 0.15 M in HOCl and 0.25 M in NaOCl. a. 7.23 b. 8.28 c. 8.06 d. 7.68 e. 9.10 Answer: D Share this Share on FacebookTweet on TwitterPlus on Google+