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We use phenolphthalein in the lab as our indicator, what are two other commonly used acid/base indicators and their colors for both acid and base ranges? 3. What is the actual pH that phenolphthalein changes color at?
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We use phenolphthalein in the lab as our indicator, what are two other commonly used acid/base indicators and their colors for both acid and base ranges? 3. What is the actual pH that phenolphthalein changes color at?