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April 21, 2014

Homework Help: Chemistry(Please check)

Posted by Hannah on Saturday, March 24, 2012 at 5:12pm.

1) Which of the following is not amphiprotic?

H20, NH4^+^, HSO4^-^, H2PO4^-^, all choices are amphiprotic.

I think that all of these are amphiprotic. I know for sure that H20 and H2PO4^-^ are.

2) The ion HPO4^-^ has both a conjugate base as well as a conjugate acid. The conjugate base of this ion is 1 while the conjugate acid is 2.

The question wants to know what the base and acid would be.

PO4^3-^ would be the base because you take the H away and add 1 to the exponent and the acid would be H2PO4^-^ .

Would you agree with my answers?

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