Dino needs to prepare 200.0 mLs of a 0.25M /0.20 M buffer solution that has pH of4.7.To make this buffer solution, Dino has available 0.50 M solutions each of thefollowing:Chemicals..NH3/NH4CI•HCOOH/HCOOKHONH2/HONH3CICH3COOH/NaCH3COO●NH3/NH4CIHONH2/HONH3CHCOOH/HCOOKK₂Which set of conjugate acid - base pairings should Dino select?CH3COOH/NaCH3COO1.78 x 10-55.62 x 10-101.82 x 10-49.12 x 10-9

Answer:Buffer solution is a type of solution that resists the change in its pH on adding small…

Dino needs to prepare 200.0 mLs of a 0.25M /0.20 M buffer solution that has pH of 4.7. To make this buffer solution, Dino has available 0.50 M solutions each of the following: Chemicals ● ● CH3COOH/NaCH3COO NH3/NH4CI •HCOOH/HCOOK HONH2/HONH3CI Which set of conjugate acid - base pairings should Dino select? ● NH3/NH4CI HONH2/HONH3CI HCOOH/HCOOK Ka 1.78 x 10-5 5.62 x 10-10 1.82 x 10-4 9.12 x 10-⁹ CH3COOH/NaCH3COO

Dino needs to prepare 200.0 mLs of a 0.25M /0.20 M buffer solution that has pH of 4.7. To make this buffer solution, Dino has available 0.50 M solutions each of the following: Chemicals ● ● CH3COOH/NaCH3COO NH3/NH4CI •HCOOH/HCOOK HONH2/HONH3CI Which set of conjugate acid - base pairings should Dino select? ● NH3/NH4CI HONH2/HONH3CI HCOOH/HCOOK Ka 1.78 x 10-5 5.62 x 10-10 1.82 x 10-4 9.12 x 10-⁹ CH3COOH/NaCH3COO

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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