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
Q79: A 0.210-g sample of an acid (molar
Q80: In titrating 100 mL of 0.10 M
Q81: Consider the titration of 100.0 mL of
Q82: In the titration of a weak acid
Q83: A 50.00-mL solution of 0.0304 M
Q85: Assume an indicator works best when
Q86: A 50.00-mL solution of 0.0217 M
Q87: Methyl orange is an indicator with
Q88: Consider the titration of 100.0 mL of
Q89: Consider the titration of 100.0 mL of
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents