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I struggle with logs... Using the Henderson-Hasselbalch equation, how would I solve for pH of 8.0 and pKa of 7.2 looking to prepare 250mL of

I struggle with logs...

Using the Henderson-Hasselbalch equation, how would I solve for pH of 8.0 and pKa of 7.2

looking to prepare 250mL of 0.020M phosphate buffer, we are using Na2HPO4 and NaH2PO4 if that is helpful?

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