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Old 04-16-2006, 04:13 PM
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Quote:
Originally Posted by brainygirl
Hi Brainygirl I need help on finding out all the info about this word:
phenolphthalein. If you find out what it is please help me!


Well AshleyakaAngel , you can find info in that site :
[url]www.http://en.wikipedia.org/wiki/Phenolphthalein[/url]
phenolphthalein is a acid-base indicator. In the presence of a base, it is purple/pink (more like magenta.) When it's neutral or acid, it is colorless.

So it is useful in titrations when you want to find the point when an acid becomes abase or vice versa.
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