Multiple Choice
In the titration of a weak acid,HA,with a sodium hydroxide solution of approximately the same concentration,the stoichiometric point occurs at pH = 9.5.Which of the following weak acid indicators would be best suited to mark the endpoint of this titration?
A) indicator A,Ka = 10-11
B) indicator B,Ka = 10-13
C) indicator C,Ka = 10-9
D) indicator D,Ka = 10-7
E) indicator E,Ka = 10-5
Correct Answer:

Verified
Correct Answer:
Verified
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