Answered: A 100.0-mL aliquot of 0.100 M diprotic…

A 100.0-mL aliquot of 0.100 M diprotic acid H2A (pK1 = 4.00, pk2 = 8.00) was titrated with 1.00 M NaOH. What is the pH at the second equivalence point? 12.00 8.00 9.56 10.46 8.46 3.54

Appl Of Ms Excel In Analytical Chemistry

2nd Edition

ISBN:9781285686691

Author:Crouch

Publisher:Crouch

Chapter7: Neutralization Titrations And Graphical Representations

Section: Chapter Questions

Problem 7P

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Concept explainers

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.

Question

A 100.0-mL aliquot of 0.100 M diprotic acid H2A (pK1 = 4.00, pK2 = 8.00) was titrated with 1.00 M NaOH. What is the pH at the second equivalence point?
12.00
8.00
9.56
10.46
8.46
3.54

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