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PHENOLPHTHALEIN INDICATOR<br />
Titration Of an Acid with a Base<br />
An unknown concentration of HCl(aq) is added to water with a few drops of indicator. The pH of acid with phenolphthalein indicator in flask will be raised by solution of NaOH in buret. The indicator remains colorless until pH is raised to 9.

Fphoto-44319803A-2RM.jpg

PHENOLPHTHALEIN INDICATOR
Titration Of an Acid with a Base
An unknown concentration of HCl(aq) is added to water with a few drops of indicator. The pH of acid with phenolphthalein indicator in flask will be raised by solution of NaOH in buret. The indicator remains colorless until pH is raised to 9.

Copyright:© 1998 Richard Megna - Fundamental Photographs

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Richard Megna