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Which acid dissociation constant would I use?
I'm trying to find the concentration of all the species present after a 0.10 M solution of oxalic acid is added to water. The problem is that there are two acid dissociation constants, one is 6.5x10^-2 and the other is 6.1x10^-5. Would I use one, the other, or both?
I got it, it's a polyprotic acid, thus it basically dissociates twice.
Well, I figured it out myself, so at this point, a good chemistry joke (or probably any other joke) is worth ten points.
1 Answer
- Gervald FLv 71 decade agoFavorite Answer
Since the first Ka is about 1,000 times the second one, it will provide the majority of the H+ ions, and you can ignore the second one.
OK: what did the lost proton say to the electron? I'm positive I should be in the nucleus....;
