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Henderson-Hasselbalch Equation

AP Chemistry· difficulty 4/5

A buffer of 0.20 M HC₂H₃O₂ and 0.20 M NaC₂H₃O₂ (pKa = 4.74) has pH

  • A

    9.26

  • B

    5.04

  • C

    4.74

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  • D

    4.44

Explanation

Equal concentrations → pH = pKa = 4.74.

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