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TITRATION OF AN ACID WITH A BASE- PHENOLPHTHALEIN (1 of 2)
Set-up With Burette
0.1M sodium hydroxide solution is in buret. Solution of vinegar (5% acidity), water & phenolphthalein indicator is in Erlenmeyer flask. As pH approaches 9, endpoint of titration is reached and phenolphthalein turns pink.
Copyright:© 1995 Richard Megna - Fundamental Photographs
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