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REVISION QUESTION *Please write neatly if you choose to handwrite Thank you! A phosphate buffer with pH = 7.40 is prepared using KH 2 PO

REVISION QUESTION *Please write neatly if you choose to handwrite Thank you!

A phosphate buffer with pH = 7.40 is prepared using KH₂PO₄ and K₂HPO₄.What is the molar ratio of [HPO₄^2-] to [H₂PO_4-] in the buffered solution?

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