Question 1 If 10 drops of pyruvic acid (HC3H3O3) are titrated with 20 drops of 0.25 M NAOH, what is the molar concentration of the pyruvic acid solution? O 0.70 M O 0.80 M O 0.60 M O 0.50 M Question 2 Determine the pH of a solution in which the hydrogen ion concentration is 2.88 x 10 M. O 2.450 O 3.210 O 4.830 O 1.541
Question 1 If 10 drops of pyruvic acid (HC3H3O3) are titrated with 20 drops of 0.25 M NAOH, what is the molar concentration of the pyruvic acid solution? O 0.70 M O 0.80 M O 0.60 M O 0.50 M Question 2 Determine the pH of a solution in which the hydrogen ion concentration is 2.88 x 10 M. O 2.450 O 3.210 O 4.830 O 1.541
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter17: Principles Of Chemical Reactivity: Other Aspects Of Aqueous Equilibria
Section: Chapter Questions
Problem 105IL: Aniline hydrochloride, (C6H5NH3)Cl, is a weak acid. (Its conjugate base is the weak base aniline,...
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Transcribed Image Text:Question 3
Calculate the molar concentration of hydrogen ions if 16 drops of a benzoic acid (HC-HsO,) solution
are titrated with 37 drops of a 0.60 M KOH solution.
(K, for benzoic acid = 6.46 x 10 5)
O 7.5 x 10 M
O 6.5 x 103 M
O 8.4 x 103 M
O 9.5 x 10 M
Question 4
If 11 drops of a formic acid (HCOOH) solution are titrated with 10 drops of a 0.12 M NAOH solution,
what is the percent ionization of the formic acid solution?
(K, for formic acid = 1.78 x 10)
O 4.0%
O 1.9%
O 1.3%
2.5%
Transcribed Image Text:Question 1
If 10 drops of pyruvic acid (HC3H3O3) are titrated with 20 drops of 0.25 M NAOH, what is the molar
concentration of the pyruvic acid solution?
O 0.70 M
O 0.80 M
O 0.60 M
O 0.50 M
Question 2
Determine the pH of a solution in which the hydrogen ion concentration is 2.88 x 102 M.
O 2.450
O 3.210
O 4.830
O 1.541
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