8) 10.0 ml of.15M H3A (Kat = 2.5 x 104, Ka2 = 3.5 x 108, Ka3 = 5.0 x 10-12) is titrated with .10M NAOH. %3D a) Sketch the titration curve and write in these values on the graph: ml of NaOH used at each endpoint, pH at the start, pH at each endpoint (except the last), pH's at 10%, 90%, and midway through each buffer region, and pH at 50ml past the last endpoint. b) What is the major species at pH = 10.0? (use your curve to prove your answer). %3D

8) 10.0 ml of.15M H3A (Kat = 2.5 x 104, Ka2 = 3.5 x 108, Ka3 = 5.0 x 10-12) is titrated with .10M NAOH. %3D a) Sketch the titration curve and write in these values on the graph: ml of NaOH used at each endpoint, pH at the start, pH at each endpoint (except the last), pH's at 10%, 90%, and midway through each buffer region, and pH at 50ml past the last endpoint. b) What is the major species at pH = 10.0? (use your curve to prove your answer). %3D

Appl Of Ms Excel In Analytical Chemistry

2nd Edition

ISBN:9781285686691

Author:Crouch

Publisher:Crouch

Chapter8: Polyfunctional Acids And Bases

Section: Chapter Questions

Problem 10P

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