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xkcd #2943: Unsolved Chemistry Problems
(imgs.xkcd.com)
Alt text:
I'm an H⁺ denier, in that I refuse to consider loose protons to be real hydrogen, so I personally believe it stands for 'pretend'.
That's what I was taught back in 6th Grade.
For what it's worth, my job is as an analytical chemist, dealing with pH readings every single day, and I've always thought this was correct.
Are We Smarter Than A 5th Grader?
Same for me
The funny thing is that I intellectually knew that there were plenty of non-English speaking scientists, but that knowledge was never considered.