If the concentration of the sodium hydroxide is increased prior to repeating the titration, what effect, if any, would that have on the graph?
A.
The graph would not change at all.
B.
The pH values at the equivalence points would increase.
C.
The equivalence points would be reached with less volume of NaOH added.
D.
The slope of the equivalence points would decrease
Exam No:AP Chemistry Problem Set 3 Year:2024 Question No:APChemistry2024AP0100
Answer:
C
Knowledge points:
8.1 Introduction to Acids and Bases
8.10 Buffer Capacity
8.11 pH and Solubility
8.2 pH and pOH of Strong Acids and Bases
8.3 Weak Acid and Base Equilibria
8.4 Acid-Base Reactions and Buffers
8.5 Acid-Base Titrations
8.6 Molecular Structure of Acids and Bases
8.7 pH and pK
8.8 Properties of Buffers
8.9 Henderson-Hasselbalch Equation
Solution:
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