I'm in IPC and I'm not that smart, i need to know all this to be as good as other nerd(I'm not a nerd)
2007-11-03 14:30:39 · 3 answers · asked by Black Ninja12 3 in Science & Mathematics ➔ Chemistry
Phenolphthalein (FEE-nol-THAL-een) is an indicator, which means that it changes color depending on whether the water solution is acid or base. It is red in bases and colorless (water-white) in acids. In particular, it changes from colorless to red over a pH range beginning at 8 and ending at 10.
2007-11-03 14:37:07 · answer #1 · answered by steve_geo1 7 · 1⤊ 0⤋
phenolphthalein is a chemical used commonly in titrations. It turns colorless when the solution is acidic and pink when the solution is basic.
It is an indicator used to determine the pH of the solution.
2007-11-03 21:37:00 · answer #2 · answered by sayamiam 6 · 0⤊ 0⤋
i believe you mean phenolphthalein?
It's an acid/base indicator. below ~ pH it is colourless, above its pink.
2007-11-03 21:35:37 · answer #3 · answered by franc 2 · 0⤊ 0⤋