A sample of a certain monoprotic weak acid was dissolved in water and titrated with 0.125 M NAOH, requiring 16.00 mL to reach the equivalence point. During the titration, the pH after adding 2.00 mL NaOH was 6.912. Calculate Ka for the weak acid. Calculate the pH of a solution at the equivalence point when 200.0 mL of a 0.10 M solution of acetic acid (HC;H;O3), which has a K, value of 1.4 x 104, is titrated with a 0.10 M KOH solution.

Chemistry: The Molecular Science
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ISBN:9781285199047
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Publisher:John W. Moore, Conrad L. Stanitski
Chapter15: Additional Aqueous Equilibria
Section: Chapter Questions
Problem 93QRT: When 40.00 mL of a weak monoprotic acid solution is titrated with 0.100-M NaOH, the equivalence...
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A sample of a certain monoprotic weak acid was dissolved in water and titrated with
0.125 M NAOH, requiring 16.00 mL to reach the equivalence point. During the titration,
the pH after adding 2.00 mL NaOH was 6.912. Calculate Ka for the weak acid.
Calculate the pH of a solution at the equivalence point when 200.0 mL of a 0.10 M
solution of acetic acid (HC;H;O3), which has a K, value of 1.4 x 104, is titrated with a
0.10 M KOH solution.
Transcribed Image Text:A sample of a certain monoprotic weak acid was dissolved in water and titrated with 0.125 M NAOH, requiring 16.00 mL to reach the equivalence point. During the titration, the pH after adding 2.00 mL NaOH was 6.912. Calculate Ka for the weak acid. Calculate the pH of a solution at the equivalence point when 200.0 mL of a 0.10 M solution of acetic acid (HC;H;O3), which has a K, value of 1.4 x 104, is titrated with a 0.10 M KOH solution.
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