What is the partial charge of a phosphate ion (H3PO4; pKa1=4.2, pKa2=6.7, pKa3=8.8) at a pH of 6.9?
A)-1.6
B)-1.4
C)-.6
D)-.4
E).4
The correct ans is A) - 1.6
Reason- at the pka=pH then charge is - 1.5 but pka is slightly less than so some of the ions are not dissociated
What is the partial charge of a phosphate ion (H3PO4; pKa1=4.2, pKa2=6.7, pKa3=8.8) at a pH...
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