A 0.0015 M benzoic acid, HC,Hs02 solution has a pH of 3.55 Calculate Ka for this...
33. What is the pH of a 0.75 M Benzoic Acid (HC-H502) solution? We (Ka for Benzoic Acid is 6.4 x 10-5 34. What is the pH of a 0.040 M Pyridine (CsH5N) solution? Kb for Pyridine is 1.7 x 10-9 Weal
The pH of a 0.87 M solution of benzoic acid (HC,H,CO2) is measured to be 2.13 Calculate the acid dissociation constant Ka of benzoic acid. Round your answer to 2 significant digits. I Don't Know Submit
Calculate the pH of a 0.496 M aqueous solution of benzoic acid (C6H5COOH, Ka = 6.3×10-5) and the equilibrium concentrations of the weak acid and its conjugate base. pH = _____ [C6H5COOH ]equilibrium = _____M [C6H5COO- ]equilibrium = _____M
Calculate the pH of a 0.015 M solution of benzoic acid (C6H5CO2H) given that Ka = 6.3x10 for the acid. C6H5CO2H (aq) + H2O(l) C6H5CO2 (aq) + H20 (aq) 3P)CH PH =
calculate the pH of a 0.30 M solution of benzoic acid (HC7H5O2, Ka = 6.5x10-5)
2. Calculate the pH of a 0.0045 M lactic acid solution. HC 04, Ka = 1.4x10-4
A 0.165-M aqueous solution of a weak acid has a pH of 2.59. Calculate Ka for the acid. Ka =
A 0.134-M aqueous solution of a weak acid has a pH of 4.8. Calculate Ka for the acid. Ka =?
* 2. Calculate the pH of a buffer solution that is 0.050 M in benzoic acid (HC,H,O,) and 0.150 M in sodium benzoate (NaC,H,O,). For benzoic acid, K = 6.5 X10. Use the Henderson-Hasselbalch approach. (6 points) Equation: HC,H,02(aq) + H20(1) = H,0*(aq) + C,H,O, (aq) Hint: pH = pKa + log base] (acid]
A 0.228-M aqueous solution of a weak acid has a pH of 4.61. Calculate Ka for the acid.