Calculate the pH of a solution resulting from the addition of 20.0 mL of 0.100 M HCl to 50.0 mL of 0.100 M NH3. Chemistry Calculate the pH of a solution resulting from the addition of 20.0 mL of 0.100 M HCl to 50.0 mL of 0.100 M NH3. a. 9.26 b. 4.91 c. 9.44 d. 4.60 e. 9.08 Answer: C Share this Share on FacebookTweet on TwitterPlus on Google+