PH a. What type of polyprotic acid is this (how many acidic protons)? Explain why. b. Clearly label the species represented by each of the lines in this alpha fractional plot above. ( c. Sketch a clearly labelled pH titration plot for this titration showing major features (equivalence points, pka, titrant volumes etc.) of the plot. (

Fundamentals Of Analytical Chemistry
9th Edition
ISBN:9781285640686
Author:Skoog
Publisher:Skoog
Chapter15: Complex Acid/base Systems
Section: Chapter Questions
Problem 15.29QAP
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b. An alpha plot of an aqueous solution of a polyprotic acid (H.A) titrated against KOHis shown
below:
1.0000
0.8000
0.6000
EXXX
0.4000
0.2000
0.0000
0.00 2.00 4.00 6.00 8.00 10.00 12.00 14.00
PH
a. What type of polyprotic acid is this (how many acidic protons)? Explain why.
b. Clearly label the species represented by each of the lines in this alpha fractional plot above. (
c. Sketch a clearly labelled pH titration plot for this titration showing major features (equivalence points,
pka, titrant volumes etc.) of the plot. (
Fraction
Transcribed Image Text:b. An alpha plot of an aqueous solution of a polyprotic acid (H.A) titrated against KOHis shown below: 1.0000 0.8000 0.6000 EXXX 0.4000 0.2000 0.0000 0.00 2.00 4.00 6.00 8.00 10.00 12.00 14.00 PH a. What type of polyprotic acid is this (how many acidic protons)? Explain why. b. Clearly label the species represented by each of the lines in this alpha fractional plot above. ( c. Sketch a clearly labelled pH titration plot for this titration showing major features (equivalence points, pka, titrant volumes etc.) of the plot. ( Fraction
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