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Water, pH and Macromolecules

Q1:

Polyprotic acids such as H3PO4, can act as acid-base buffers

A only in combination with polyprotic bases

B if their concentration is kept low

C at pH values around neutrality

D at pH values around any of their pKa's

ANS:D - at pH values around any of their pKa's

No answer description is available. 



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