5 The initial concentration of an acetic acid solution is 1.0 M and has a pH of 2.37. CH3COOH H+ + CH3COO- (a) What is the hydrogen ion concentration in that solution? choose your answer... (b) Which value is closest to the acetic acid concentration at equilibrium? choose your answer....

Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter16: Reactions Between Acids And Bases
Section: Chapter Questions
Problem 16.87QE
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Please answer 5, 6 and 7. Options for 5a and
5b (2.37M, 1.0M, 2.3x10^-12M, and
4.3x10^-3M)
5
6
The initial concentration of an acetic acid solution is 1.0 M and has a pH of 2.37.
CH3COOH H+ + CH3COO-
(a) What is the hydrogen ion concentration in that solution?
choose your answer...
(b) Which value is closest to the acetic acid concentration at equilibrium?
choose your answer...
The pH of a 1.0 M organic acid HA was measured to be 2.04. Find the Ka of this organic acid.
☆
In an experiment, 30.00 mL of H3PO4 was titrated by a 0.1005 M NaOH solution. It took 27.16 mL of the NaOH solution to reach the 2nd equivalence
point of the titration.
a) Write the balance action equation that represents the reaction at the 2nd equivalence point.
b) Find the moles of NaOH added and the moles of H3PO4 titrated at the 2nd equivalence point.
c) Find the molarity of the H3PO4 solution.
Transcribed Image Text:Please answer 5, 6 and 7. Options for 5a and 5b (2.37M, 1.0M, 2.3x10^-12M, and 4.3x10^-3M) 5 6 The initial concentration of an acetic acid solution is 1.0 M and has a pH of 2.37. CH3COOH H+ + CH3COO- (a) What is the hydrogen ion concentration in that solution? choose your answer... (b) Which value is closest to the acetic acid concentration at equilibrium? choose your answer... The pH of a 1.0 M organic acid HA was measured to be 2.04. Find the Ka of this organic acid. ☆ In an experiment, 30.00 mL of H3PO4 was titrated by a 0.1005 M NaOH solution. It took 27.16 mL of the NaOH solution to reach the 2nd equivalence point of the titration. a) Write the balance action equation that represents the reaction at the 2nd equivalence point. b) Find the moles of NaOH added and the moles of H3PO4 titrated at the 2nd equivalence point. c) Find the molarity of the H3PO4 solution.
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