Multiple Choice
In the titration of a weak acid HA with 0.100 M NaOH, the stoichiometric point is known to occur at a pH value of approximately 11. Which of the following indicators would be best to use to mark the endpoint of this titration?
A) an indicator with Ka = 10-11
B) an indicator with Ka = 10-14
C) an indicator with Ka = 10-10
D) an indicator with Ka = 10-8
E) an indicator with Ka = 10-12
Correct Answer:
Verified
Correct Answer:
Verified
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