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 = 10-10
B) an indicator with Ka = 10-8
C) an indicator with Ka = 10-14
D) an indicator with Ka = 10-11
E) an indicator with Ka = 10-12
Correct Answer:

Verified
Correct Answer:
Verified
Q48: What quantity of NaOH(s)must be added
Q49: You have a 250.0-mL sample of
Q50: A titration of 200.0 mL of
Q51: Which of the following mixtures would
Q52: A 50.00-mL solution of 0.0217 M
Q54: Consider the titration of 100.0 mL
Q55: A certain indicator HIn has a pK<sub>a</sub>
Q56: What will happen if a small amount
Q57: In the titration of a weak acid
Q58: You have 100.0 mL of 0.100