A 1.0 M solution of HCl has a pH of Naim 00:08 Small Molecules and the Chemistry of Life A 1.0 M solution of HCl has a pH of a. 1.0. b. 7.0. c. 14.0. d. 11.2. e. 14. Answer: A Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+