The p Ka of phenolphthalein is 9.10 . Over what p H range does this indicator change from 95 percent HIn to 95 percent In ^-7. | Numerade
The p Ka of phenolphthalein is 9.10 . Over what p H range does this indi…
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Why phenolphthalein is used as an indicator?... | Filo
Why phenolphthalein is used as an indicator?... | Filo
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Phenolphthalein synthesis | Chemistry Online
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The \mathrm{p} K_{\mathrm{a}} of phenolphthalein is 9.10 . Over... | Filo
The \mathrm{p} K_{\mathrm{a}} of phenolphthalein is 9.10 . Over... | F…
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Is phenol and phenolphthalein the same? - TimesMojo
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Would phenolphthalein be a good indicator for this titration? - TimesMojo
Would phenolphthalein be a good indicator for this titration? - Times…
Jul 7, 2022
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Phenolphthalein is a common pH indicator used in acid-base chemistry. But the history behind this compound is stranger than fiction! It was originally developed as a synthetic dye to compete with mauvine in the late 19th century. It was never used as a dye due to its pH sensitivity, which led to widespread use as a pH indicator. Phenolphthalein will change from colorless to pink once the pH is above 8, making it an ideal indicator for acid-base titrations. This color changing property also led t
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