Calculate the ratio [NH3]/[NH4Cl] that gives a solution with pH = 9.48. Chemistry Calculate the ratio [NH3]/[NH4Cl] that gives a solution with pH = 9.48. a. 0.33 b. 3.0 c. 1.7 d. 0.61 e. 4.5 Answer: C Share this Share on FacebookTweet on TwitterPlus on Google+