the volume of HCL and acetic acid is 250 mL Solution A: 1.7 x 10-5 M HCISolution B: 3.40 8 of CH3C0ONa.3H20 in 250 mL of 0.1 MCH3COOH (Buffer solution) 0.IM NaOH and methyl red indicatorpHsolutionstepsobserationSolution A Addition of a few drops the colour changes from clear to pink 4.68of methylred(HCL)Addition of 10 drops of The colour change from clear to pink 4.730.1 M NAOHSoluion BAddition of a few drops The colour change from pink to clearof methyl red(buffer solution)Addition of 10 drops ofThe colour stays the same4.730.1 M NaOHa) Calculate the pH of a buffer system made up of 0.25 MC6H5C0OH and 0.35 M C6H5COONa.b)What is the pH after the addition of 20 mL of 0.I M HCI to 500ml of the above buffer solution?c)Describe how you would prepare a IL solution of 0.1 M sodiumacetate (CH3CO0Na)/0.I M acetic acid (CH3C0OH) buffersystem with a pH of about 5.

Answered: Image /qna-images/answer/bfc9c05a-c740-4b41-a700-ffbe3303f9a5.jpg

a) Calculate the pH of a buffer system made up of 0.25 M C6H5COOH and 0.35 M C6H5C00ONA. b)What is the pH after the addition of 20 mL of 0.I M HCI to 500 ml of the above buffer solution? c)Describe how you would prepare a IL solution of 0.I M sodium acetate (CH3CO0Na)/0.I M acetic acid (CH3C0OH) buffer system with a pH of about 5.

a) Calculate the pH of a buffer system made up of 0.25 M C6H5COOH and 0.35 M C6H5C00ONA. b)What is the pH after the addition of 20 mL of 0.I M HCI to 500 ml of the above buffer solution? c)Describe how you would prepare a IL solution of 0.I M sodium acetate (CH3CO0Na)/0.I M acetic acid (CH3C0OH) buffer system with a pH of about 5.

Chemistry: An Atoms First Approach

2nd Edition

ISBN:9781305079243

Author:Steven S. Zumdahl, Susan A. Zumdahl

Publisher:Steven S. Zumdahl, Susan A. Zumdahl

Chapter14: Acid- Base Equilibria

Section: Chapter Questions

Problem 118CP: Malonic acid (HO2CCH2CO2H) is a diprotic acid. In the titration of malonic acid w ith NaOH,...

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