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試卷名稱：92年 - [無官方正解]92 高雄醫學大學學士後醫學系_招生考試試題：化學#136240
年份：92年
科目：學士後西醫-化學
69. 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 thus 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