A student titrated 30.00 mL of a weak base solution, 0.150 M CH&NH2 (Kb = 4.40 × 104), with 0.100 M HCI solution. Calculate the pH at the equivalence point.
A student titrated 30.00 mL of a weak base solution, 0.150 M CH&NH2 (Kb = 4.40 × 104), with 0.100 M HCI solution. Calculate the pH at the equivalence point.
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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![A student titrated 30.00 mL of a weak base solution, 0.150
M CH:NH2 (Kb = 4.40 × 10 4), with 0.100 M HCI solution.
Calculate the pH at the equivalence point.
half-equivalence point
buffering region
equivalence point
pH <7
Volume of HCI added
Hd](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd862c25f-a636-4347-831e-84b629db5903%2F3b8dbbf3-65cb-49f2-b77a-fa856ded4eb2%2Fwnxoi48_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A student titrated 30.00 mL of a weak base solution, 0.150
M CH:NH2 (Kb = 4.40 × 10 4), with 0.100 M HCI solution.
Calculate the pH at the equivalence point.
half-equivalence point
buffering region
equivalence point
pH <7
Volume of HCI added
Hd
Expert Solution
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Step 1- Introduction
Titration is an experimental method of analysis where a solution of known concentration is titrated with a solution of unknown concentration. Acid -Base titration involves determining the unknown concentration of an acid or a base by neutralizing it with another base or acid of known concentration.
The titration of a weak base and a strong acid forms a salt. Now in case of salt formation the pOH is calculated by using the following equation :
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