13b. (i) Sketch a graph of pH against volume of a strong base added to a weak acid showing how you would determine pk for the weak acid. pH 7 Volume at equivalence Volume of strong base added (ii) Explain, using an equation, why the pH increases very little in the buffer region when a small amount of alkali is added.
13b. (i) Sketch a graph of pH against volume of a strong base added to a weak acid showing how you would determine pk for the weak acid. pH 7 Volume at equivalence Volume of strong base added (ii) Explain, using an equation, why the pH increases very little in the buffer region when a small amount of alkali is added.
Chapter15: Acid-base Equilibria
Section: Chapter Questions
Problem 5ALQ: Sketch two pH curves, one for the titration of a weak acid with a strong base and one for a strong...
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![13b. (i) Sketch a graph of pH against volume of a strong base added to a weak acid
showing how you would determine pk for the weak acid. pH 7 Volume at equivalence
Volume of strong base added (ii) Explain, using an equation, why the pH increases
very little in the buffer region when a small amount of alkali is added.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fac099e96-174a-4bf6-88a7-d687ffccbf9c%2Fbc402115-6dca-4286-9396-b3599135f544%2F7mz58yq_processed.jpeg&w=3840&q=75)
Transcribed Image Text:13b. (i) Sketch a graph of pH against volume of a strong base added to a weak acid
showing how you would determine pk for the weak acid. pH 7 Volume at equivalence
Volume of strong base added (ii) Explain, using an equation, why the pH increases
very little in the buffer region when a small amount of alkali is added.
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