Calculate the pH of each of the following solutions (Ka and Kb values are given in...

Question

Question

Calculate the pH of each of the following solutions (Ka and Kb values are given in Appendix D in the textbook).

9.0×10⁻² M propionic acid (C2H5COOH).

0.100 M hydrogen chromate ion (HCrO−4).

0.119 M pyridine (C5H5N).

Answer 1

Answer #1

a) pH of 9.0 x 10-2 M propanoic acid is calculated as CH CH2COOH + 0.09M H,OCH,CH2COO +H3O initial 0 0 equilibrium: (0.09-x)M

pH--log (1.732 x 104) 3.762 c) pH of 0.119 M pyridine is calculated as: initial: equilibrium: (0.119-x)M Kb 1.7 x 109 Kb 0.11

Answer 2

Similar Homework Help Questions

Calculate the percent ionization of propionic acid (C2H5COOH) in solutions of each of the following concentrations...

Calculate the percent ionization of propionic acid (C2H5COOH) in solutions of each of the following concentrations (Ka is given in Appendix D in the textbook). -7.96
Calculate the pH of the following solutions 1. A solution that is 6.0×10−2 M in potassium...

Calculate the pH of the following solutions 1. A solution that is 6.0×10−2 M in potassium propionate (C2H5COOK or KC3H5O2 ) and 8.5×10−2 M in propionic acid (C2H5COOH or HC3H5O2 ). The Ka of propionic acid is 1.3×10-5. 2. A solution that is 8.0×10−2 M in trimethylamine, (CH3)3N, and 0.12 M in trimethylammonium chloride, (CH3)3NHCl. The Kb of trimethylamine is 6.4×10-5. 3. A solution that is made by mixing 50.0 mL of 0.16 M acetic acid and 50.0 mL of...
Determine the pH of each of the following solutions. (a) 0.410 M propionic acid (weak acid...

Determine the pH of each of the following solutions. (a) 0.410 M propionic acid (weak acid with Ka = 1.3e-05). (b) 0.122 M benzoic acid (weak acid with Ka = 6.3e-05). (c) 0.867 M pyridine (weak base with Kb = 1.7e-09).

Determine the pH of each of the following solutions. (a) 0.571 M carbonic acid (weak acid...

Determine the pH of each of the following solutions. (a) 0.571 M carbonic acid (weak acid with Ka = 4.3e-07). (b) 0.332 M propionic acid (weak acid with Ka = 1.3e-05). (c) 0.308 M pyridine (weak base with Kb = 1.72-09).
Using values of Kb in Appendix C in the textbook, calculate values of Ka for each...

Using values of Kb in Appendix C in the textbook, calculate values of Ka for each of the following ions: Part A Propylammonium ion, C3H7NH3+ Express your answer using two significant figures. Part B Hydroxylammonium ion, NH3OH+ Express your answer using two significant figures. Part C Anilinium ion, C6H5NH3+ Express your answer using two significant figures. Part D Pyridinium ion, C5H5NH+ Express your answer using two significant figures.
Determine the pH of each of the following solutions. (a) 0.416 M hypobromous acid (weak acid with Ka = 2.5e-09). pH = __...

Determine the pH of each of the following solutions. (a) 0.416 M hypobromous acid (weak acid with Ka = 2.5e-09). pH = ___________ (b) 0.644 M ascorbic acid (weak acid with Ka = 8e-05). pH = ___________ (c) 0.703 M pyridine (weak base with Kb = 1.7e-09). pH = ___________

Determine the pH of each of the following solutions. (a) 0.213 M boric acid (weak acid with Ka = 5.8e-10). (b) 0...

Determine the pH of each of the following solutions. (a) 0.213 M boric acid (weak acid with Ka = 5.8e-10). (b) 0.394 M phenol (weak acid with Ka = 1.3e-10). (c) 0.869 M pyridine (weak base with Kb = 1.7e-09).
Using tabulated Ka and Kb values, calculate the pH of the following solutions. Answer to 2...

Using tabulated Ka and Kb values, calculate the pH of the following solutions. Answer to 2 decimal places. A solution containing 3.1x101 M HF and 4.6x101 M NaF. For HF, Ka 7.2x10-4 Submit Answer Tries o/s 1000.0 mL of solution containing 23.0 g of HOCI and 45.0 g of NaoCI For Hoci, Ka-3.5x10-8 Submit Answer Tries o/s A solution made by mixing 135.00 mL of 1.100 M HOBr with 50.00 mL of 1.000 M NaOH. For HOBr, Ka-2.0×10-9. Submit Answer...
22. + -10.1 points 0/4 Submissions Used Determine the pH of each of the following solutions....

22. + -10.1 points 0/4 Submissions Used Determine the pH of each of the following solutions. (a) 0.360 M phenol (weak acid with Ka = 1.3e-10). (b) 0.458 M hydrogen peroxide (weak acid with Ka = 2.4e-12). (c) 0.238 M pyridine (weak base with Kb = 1.7e-09).

Constants | Periodic Table Using values of Kb in Appendix C in the textbook, calculate values of Ka for each of the...

Constants | Periodic Table Using values of Kb in Appendix C in the textbook, calculate values of Ka for each of the following ions: Part A Propylammonium ion, C3H7NH3+ Express your answer using two significant figures. Part B Hydroxylammonium ion, NH3OH+ Express your answer using two significant figures. Part C Anilinium ion, C6H5NH3+ Express your answer using two significant figures. Part D Pyridinium ion, C5H5NH+ Express your answer using two significant figures.