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op attempt 1:
first protonation exclusively:
here I uh take the moles of water in a liter. 15.5.
then I offer up 1 hydrogens per moles of citric acid. do I do this three times for the triprotonation? how do I do pka?
one multiplied by three is three
15/3 is 5. hm. I'm close here I think. hm. 5 hydrogens per molecule of water. this should be a really low ph right? like 1.3?