Prepare 2 liter of 0.1 M potassium phosphate buffer, pH = 7.5. Use the Henderson-Hasselbalch equation...

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Prepare 2 liter of 0.1 M potassium phosphate buffer, pH = 7.5. Use the Henderson-Hasselbalch equation to calculate the amount

(2) Start with KH2PO4 (solid) and convert a portion of it to K2HPO4 by adding KOH.

Ką and pK, for Polyprotic Acids Acid Name Ка pK

Phosphoric acid, H3PO4 2.15 1st 2nd 3rd 7.1 x 10-3 6.3 x 10-8 4.5 x 10-13 7.20 12.35

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Answer 1

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and so - Given that alq 0.18 KH₂PO4 buffer & pH=7.5, pisar = 7.2 .. Here we have to find the [H₂H po 47 cod amount of к, Нpo Please comment for any doubts.

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Prepare 2 liter of 0.1 M potassium phosphate buffer, pH = 7.5. Use the Henderson-Hasselbalch equation...

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Prepare 2 liter of 0.1 M potassium phosphate buffer, pH = 7.5. Use the Henderson-Hasselbalch equation...