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If you have a di or polyprotic buffer state below whether you see evidence of this in the form of your pH curve. If you do not see evidence of this, explain why this should be the case

Wouldn't you see evidence of a di or polyprotic buffer if there are multiple equivalence points

  • Chemistry -

    You will only see evidence of it if you use enough base to cause the di or polyprotic acid to donate the 2nd or subsequent protons. 10mL of a 0.1 M solution of H2SO4 is a a di protic acid. If I only add 10mL of a 0.1 M solution NaOH then I will not see signs that it is a diprotic acid. However, if I add 15mL of the 0.1M solution of NaOH then I will see a further change in the pH, indicating that it maybe a polyprotic acid. As I increase the amount of base in the titration, I will see the jump in the graph associated with reaching the eq. point.

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