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Postby Ami_Pant_4G » Sat Nov 30, 2019 10:57 am

Write the chemical equations of the two proton transfer equilibria that demonstrate the amphiprotic character of (a) HCO3; (b) HPO42. Identify the conjugate acid–base pairs in each case.

Csn some one please explain how to do part b of this problem? Thanks in advance.

Prasanna Padmanabham 4I
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Re: 6A.11

Postby Prasanna Padmanabham 4I » Sat Nov 30, 2019 11:49 am

HPO4(2-) as an acid: PO4(3-) (conjugate base)
HPO4 (2-) as a base: H2PO4 (-1) (conjugate acid)...

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Re: 6A.11

Postby MaggieHan1L » Sun Dec 01, 2019 3:27 pm

I think the easiest way when you're told that the molecule is amphoteric is to just add a proton and minus a proton. So you would end up with PO4 (3-) and H2PO4 for HPO4.

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