Asked by Paula

Phosphoric acid, H3PO4(aq), is a triprotic acid, meaning that one molecule of the acid has three acidic protons. Estimate the pH, and the concentrations of all species in a 0.300 M phosphoric acid solution.
kPa1: 2.16
kPa2: 7.21
kPa3:12.32

[H3PO4] = ?
[H2PO4-] = ?
[HPO42-] = ?
[PO43-] = ?
[H+] = ?
[OH-] = ?
pH =?
Answered by DrBob222
Didn't I work this for you yesterday?
Answered by DrBob222
Yes, I did.
Answered by Paula
Yes, I couldn't find it, sorry!
Thankssss!
Answered by DrBob222
http://www.jiskha.com/display.cgi?id=1362846408
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