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

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Question:
Polyprotic acids such as H3PO4; can act as acid-base buffers

1.only in combination with polyprotic bases

2.if their concentration is kept low

3. at pH values around neutrality

4.at pH values around any of their pKa's

Posted Date:-2021-02-25 09:20:37


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