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Uploaded on Aug 30, 2009
This song explains how indicators are used and which indicators are best for titration to a neutral solution and why. All music and lyrics copyright 2005 by Mark Rosengarten. All rights reserved.
Ive got to do titration Of an unknown base Got to wear my goggles So I dont splash my face Ill use a good acid Of known molarity Fill those burets up Then well surely see
But I got a problem Which indicator should I use? There are so many I can choose from Ive got the bromthymol blues
Theres methyl orange Turns at pH 4 Makes it kinda useless Chuck it out the door And then theres litmus One we could choose But the change in color Much too gradual to use
When I do titration Which indicator should I use? I dont know which one to choose from Ive got the bromthymol blues
Could use phenolphthalein Turns from clear to pink The color change is sudden So I dont have to think But theres a slight problem Color change at pH 8 But it will serve quite nicely And help you to graduate
Hey, I know right now Which indicators I could use! The best of those that I could choose from Phenolphthalein or bromthymol blue!!!