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At what volume of added base is the pH calculated by working an equilibrium problem based on the initial concentration and Ka of the weak acid? Express your answer in milliliters as an integer. V = 0 mL Submit Previous Answers Correct An equilibrium problem based on the initial concentration and Ka of a weak acid should be solved for an aqueous solution of the weak acid. This is true for the initial state of titration, when no base has been added. T addition of a small amount of a strong base turns this solution into a buffer whose pH is calculated in a differe way. ▾ Part D At what volume of added base does pH =pK₁? Express your answer in

At what volume of added base is the pH calculated by working an equilibrium problem based on the initial concentration and Ka of the weak acid? Express your answer in milliliters as an integer. V = 0 mL Submit Previous Answers Correct An equilibrium problem based on the initial concentration and Ka of a weak acid should be solved for an aqueous solution of the weak acid. This is true for the initial state of titration, when no base has been added. T addition of a small amount of a strong base turns this solution into a buffer whose pH is calculated in a differe way. ▾ Part D At what volume of added base does pH =pK₁? Express your answer in

Chemistry
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
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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astering.pearson.com.couiseid-12449557&key=504176635134952610222023#/ MISSED THIS? Read Section 18.4 (Page); Watch KCV 18.4B Consider the curve shown here for the titration of a weak monoprotic acid with a strong base. Hd 14 12 10 8 6. 420 0 40 80 120 160 Volume of base added (mL) The figure shows pH as a function of volume of base added. The pH is measured from 0 to 14 on the y-axis, while the volume of base added is measured from 0 to 160 milliliters on the x-axis. The curve of the plot goes up gradually from pH 2.3 at 0 milliliters to pH 5.8 at 49 milliliters, next the plot goes up steeply to pH 11.8 at 51 milliliters, and finally the plot goes up gradually to pH 12.2 at 160 milliliters. ✓ Correct The equivalence point is the point in the titration when the number of moles of base is stoichiometrically equal to the number of moles of acid. The equivalence point is located at the point of inflection in the middle of the titration curve. For the presented curve, the volume of added base at the equivalence point is 60 mL. Part C At what volume of added base is the pH calculated by working an equilibrium problem based on the initial concentration and Ka of the weak acid? Express your answer in milliliters as an integer. V = 0 mL Submit ✓ Correct An equilibrium problem based on the initial concentration and Ka of a weak acid should be solved for an aqueous solution of the weak acid. This is true for the initial state of titration, when no base has been added. Th addition of a small amount of a strong base turns this solution into a buffer whose pH is calculated in a differer way. Part D Previous Answers V = At what volume of added base does pH = pKa? Express your answer in milliliters as an integer. IVE ΑΣΦ Submit Request Answer d Part E Complete previous part(s) ? mL
Transcribed Image Text:astering.pearson.com.couiseid-12449557&key=504176635134952610222023#/ MISSED THIS? Read Section 18.4 (Page); Watch KCV 18.4B Consider the curve shown here for the titration of a weak monoprotic acid with a strong base. Hd 14 12 10 8 6. 420 0 40 80 120 160 Volume of base added (mL) The figure shows pH as a function of volume of base added. The pH is measured from 0 to 14 on the y-axis, while the volume of base added is measured from 0 to 160 milliliters on the x-axis. The curve of the plot goes up gradually from pH 2.3 at 0 milliliters to pH 5.8 at 49 milliliters, next the plot goes up steeply to pH 11.8 at 51 milliliters, and finally the plot goes up gradually to pH 12.2 at 160 milliliters. ✓ Correct The equivalence point is the point in the titration when the number of moles of base is stoichiometrically equal to the number of moles of acid. The equivalence point is located at the point of inflection in the middle of the titration curve. For the presented curve, the volume of added base at the equivalence point is 60 mL. Part C At what volume of added base is the pH calculated by working an equilibrium problem based on the initial concentration and Ka of the weak acid? Express your answer in milliliters as an integer. V = 0 mL Submit ✓ Correct An equilibrium problem based on the initial concentration and Ka of a weak acid should be solved for an aqueous solution of the weak acid. This is true for the initial state of titration, when no base has been added. Th addition of a small amount of a strong base turns this solution into a buffer whose pH is calculated in a differer way. Part D Previous Answers V = At what volume of added base does pH = pKa? Express your answer in milliliters as an integer. IVE ΑΣΦ Submit Request Answer d Part E Complete previous part(s) ? mL
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