Match all the indicated areas/points of the titration curve provided to their descriptionsrelated to adding an acid to an aqueous solution of Na2CO3:BDEVolume of acid added (mL)Hd 1. 1st stoichiometric pointE2. 2nd stoichiometric point3. Buffer capacity exceeded; excessacid remainingA4. 1st buffer region, formed byreaction CO32- + H30* → HCO3°+CH20B5. Dissociated salt only, CO32- isDmajority species affecting pH6. 2nd buffer region, formed byreaction HCO3 + H3O* → H2CO3+ H20F>>>>>>

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Match all the indicated areas/points of the titration curve provided to their descriptions related to adding an acid to an aqueous solution of Na2CO3: D E F Volume of acid added (mL) B Hd

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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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

Match all the indicated areas/points of the titration curve provided to their descriptions
related to adding an acid to an aqueous solution of Na2CO3:
B
D
E
Volume of acid added (mL)
Hd

1. 1st stoichiometric point
E
2. 2nd stoichiometric point
3. Buffer capacity exceeded; excess
acid remaining
A
4. 1st buffer region, formed by
reaction CO32- + H30* → HCO3°+
C
H20
B
5. Dissociated salt only, CO32- is
D
majority species affecting pH
6. 2nd buffer region, formed by
reaction HCO3 + H3O* → H2CO3
+ H20
F
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>
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