Multiple ChoiceWhat is the pH of a 0.115 M hydrogen chromate ion (HCrO₄⁻) solution, given that the Ka of HCrO₄⁻ is 3.2 x 10⁻⁷?382views
Multiple ChoiceWhat is the pH of a 0.040 M solution of benzoic acid, given that the acid dissociation constant (Ka) for benzoic acid is 6.3 x 10^-5?292views
Multiple ChoiceAt the equivalence point during the titration of a weak acid with a strong base, would the pH be acidic, neutral, or basic?35views
Multiple ChoiceCalculate the [H+] of a 0.50 M solution of methylammonium bromide, CH3NH3Br. The Kb of methylamine, CH3NH2, is given as 4.4 x 10-4.850views8rank2comments
Multiple ChoiceAn unknown weak acid has an initial concentration of 0.55 M. What is the pH of the solution if the weak acid also has a pKa of 5.79?597views4rank
Textbook QuestionAn acid solution with a concentration of 0.500 M has a pH = 3.21. What is the Ka of the acid? (LO 16.8) (a) 1.2 * 10-5 (b) 1.7 * 10-6 (c) 7.6 * 10-7 (d) 5.4 * 10-3538views
Textbook Question(b) Calculate the percent ionization of 0.0075 M butanoic acid in a solution containing 0.085 M sodium butanoate.521views1comments