作业帮SAT化学 10分 急!
来源：学生作业帮 编辑：作业帮 分类：英语作业 时间：2024/06/10 01:25:15
SAT化学 10分 急!
Bromothymol blue is an acid/base indicator with a pKa of 6.8. Therefore, at approximately what PH will bromothymol blue undergo a color change during an acid/base titration?
答案是7.为什么
Bromothymol blue is an acid/base indicator with a pKa of 6.8. Therefore, at approximately what PH will bromothymol blue undergo a color change during an acid/base titration?
答案是7.为什么
文中说溴百里酚蓝是一种酸碱指示剂,其酸碱平衡pKa为6.8,实际上溴百里酚蓝的pKa为7.10.所以答案说是7（也是近似的,或者资料来源不一致所致）.