marionyallop43 marionyallop43
  • 11-03-2024
  • Chemistry
contestada

PH of a mixture of 1 M benzoic acid (pKₐ=4.2) and 1M sodium benzoate is 4.5. In 300mL buffer, benzoic acid is:
A. 150 mL
B. 200 mL
C. 100 mL
D. 50 mL

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