Homework Help is Here – Start Your Trial Now!
Science
Chemistry
Part 2. Complete the table by identifying the ideal weak acid and conjugate base for each 250ml buffer solution. (Take note of the solution's pH and the pka of the acid used). Buffer Solution Weak Acid Phosphate H.PO. (Phosphoric acid) Concentration 0.50M 0.50M 0.50M 0.50M 0.010M 0.50M Phosphate Acetate Phosphate Phosphate Phosphate Conjugate Base H.PO. (Dihydrogen phosphate ion) pka 2.12 2.12 4.70 7.21 7.21 12.32 Desired pH 2.00 3.00 5.00 7.00 8.00 12.00

Part 2. Complete the table by identifying the ideal weak acid and conjugate base for each 250ml buffer solution. (Take note of the solution's pH and the pka of the acid used). Buffer Solution Weak Acid Phosphate H.PO. (Phosphoric acid) Concentration 0.50M 0.50M 0.50M 0.50M 0.010M 0.50M Phosphate Acetate Phosphate Phosphate Phosphate Conjugate Base H.PO. (Dihydrogen phosphate ion) pka 2.12 2.12 4.70 7.21 7.21 12.32 Desired pH 2.00 3.00 5.00 7.00 8.00 12.00

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...
See similar textbooks
icon
Related questions
icon
Concept explainers
Question
Request to u solve all parts with handwriting
Part 2. Complete the table by identifying the ideal weak acid and conjugate base for each 250ml buffer solution. (Take note of the solution's pH and the pka of the acid used). Buffer Solution Weak Acid Phosphate Concentration 0.50M 0.50M 0.50M 0.50M 0.010M 0.50M Phosphate Acetate Initial Change Equilibrium Phosphate Phosphate Phosphate H,PO. (Phosphoric acid) Conjugate Base Buffer I CH_CO_H/CH_COz 0.320M/0.320M H.PO. (Dihydrogen phosphate ion) 0.19 -0.19 0 2. Fluoride buffer: pka = 3.17 Buffer I HF/F 0.010M/0.010M pka 2.12 Part 3. Create the "ICE" table for each buffer solutions in Part 2 by calculating the amounts of each buffer components utilizing the Henderson-Hasselbalch equation, following the format: 2.12 4.70 7.21 7.21 12.32 0 +0.19 0.19 [Insert Acid] + [Insert Base] → [Insert Conjugate Base] + [Insert Conjugate Acid) 0.44 -0.19 0.25 Desired pH 2.00 3.00 5.00 7.00 NOTE: Insert the appropriate Acid, Base, Conjugate Base, and Conjugate acid for each buffer reactions. Moreover, compute for each value of each components. Remember to include the units "moles. (Show your complete solutions). 8.00 12.00 Part 4. Compare the each pair of buffer solutions and analyze which one has a higher and greater degree of buffering capacity. (Show your complete solutions). 1. Acetate buffer: pka = 4.7 Buffer II CH3CO₂H/CH3CO₂ 0.0300M/0.0300M Buffer II HF/F 0.0290M/0.0290M
Transcribed Image Text:Part 2. Complete the table by identifying the ideal weak acid and conjugate base for each 250ml buffer solution. (Take note of the solution's pH and the pka of the acid used). Buffer Solution Weak Acid Phosphate Concentration 0.50M 0.50M 0.50M 0.50M 0.010M 0.50M Phosphate Acetate Initial Change Equilibrium Phosphate Phosphate Phosphate H,PO. (Phosphoric acid) Conjugate Base Buffer I CH_CO_H/CH_COz 0.320M/0.320M H.PO. (Dihydrogen phosphate ion) 0.19 -0.19 0 2. Fluoride buffer: pka = 3.17 Buffer I HF/F 0.010M/0.010M pka 2.12 Part 3. Create the "ICE" table for each buffer solutions in Part 2 by calculating the amounts of each buffer components utilizing the Henderson-Hasselbalch equation, following the format: 2.12 4.70 7.21 7.21 12.32 0 +0.19 0.19 [Insert Acid] + [Insert Base] → [Insert Conjugate Base] + [Insert Conjugate Acid) 0.44 -0.19 0.25 Desired pH 2.00 3.00 5.00 7.00 NOTE: Insert the appropriate Acid, Base, Conjugate Base, and Conjugate acid for each buffer reactions. Moreover, compute for each value of each components. Remember to include the units "moles. (Show your complete solutions). 8.00 12.00 Part 4. Compare the each pair of buffer solutions and analyze which one has a higher and greater degree of buffering capacity. (Show your complete solutions). 1. Acetate buffer: pka = 4.7 Buffer II CH3CO₂H/CH3CO₂ 0.0300M/0.0300M Buffer II HF/F 0.0290M/0.0290M
Expert Solution
steps

Step by step

Solved in 4 steps with 2 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Knowledge Booster
Ionic Equilibrium
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.
Recommended textbooks for you
Chemistry
Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning
Chemistry
Chemistry
Chemistry
ISBN:
9781259911156
Author:
Raymond Chang Dr., Jason Overby Professor
Publisher:
McGraw-Hill Education
Principles of Instrumental Analysis
Principles of Instrumental Analysis
Chemistry
ISBN:
9781305577213
Author:
Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:
Cengage Learning
Organic Chemistry
Organic Chemistry
Chemistry
ISBN:
9780078021558
Author:
Janice Gorzynski Smith Dr.
Publisher:
McGraw-Hill Education
Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
Chemistry
ISBN:
9781305079373
Author:
William L. Masterton, Cecile N. Hurley
Publisher:
Cengage Learning
Elementary Principles of Chemical Processes, Bind…
Elementary Principles of Chemical Processes, Bind…
Chemistry
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY
SEE MORE TEXTBOOKS