Phenolphtalein is Pink in Base

If there's one thing every chemistry teacher is absolutely sure of, it's that phenolphthalein turns pink in base . . . until, that is, you add more base!
This video is part of the Flinn Scientific Best Practices for Teaching Chemistry Video Series, a collection of over 125 hours of free professional development training for chemistry teachers - elearning.flinn...
ATTENTION: This demonstration is intended for and should only be performed by certified science instructors in a safe laboratory/classroom setting.
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great sir

[@josefcraigvincent3261]

gloves