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    3. Calculate the expected pH values of the buffer systems from the experiments (a,b,c,d), using the Henderson-Hasselbalch equation shown in the Background section. Use for pKa values: carbonic acid = 6.37 and acetic acid = 4.75. Experiment A 5 mL .1 M acetic acid + 5 mL .1 M sodium acetate Experiment B 1 mL .1 M acetic acid + 10 mL .1 M sodium acetate Experiment C 5 mL .1 M carbonic acid + 5 mL .1 M sodium bicarbonate Experiment D 1 mL .1 M carbonic acid + 5 mL .1 M sodium bicarbonate
    Calculate the expected pH values of the buffer systems from the experiments (a,b,c,d), using the Henderson-Hasselbalch equation shown in the Background section. Use for pKa values: carbonic acid = 6.37 and acetic acid = 4.75. Experiment A 5 mL .1 M acetic acid + 5 mL .1 M sodium acetate Experiment B 1 mL .1 M acetic acid + 10 mL .1 M sodium acetate Experiment C 5 mL .1 M carbonic acid + 5 mL .1 M sodium bicarbonate Experiment D 1 mL .1 M carbonic acid + 5 mL .1 M sodium bicarbonate

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    0  Views: 5871 Answers: 3 Posted: 15 years ago
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      3 Answers

      .10 M carbonic acid + c5 mL .20 M sodium acetic acid add to co sign 100 to 4 parts carbonic
      acid ....
      this should take you to zero just like wonderer said. thumb up for wonderer. mafiata, i certainly hope you are not taking this class. i would appreciate an answer back.
      15 years ago. Rating: 1
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        mafiata

        yeah i am
        commented 15 years ago
        wonderer

        lucky geuss,no i'm not taking the class,zero just seemed to fit!
        commented 15 years ago
        zero
        15 years ago. Rating: 1
        Comment this answer

          Yea, like they said.....
          15 years ago. Rating: 0
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