What is the pH at the equivalence point in the titration?

How to find a) the pH at the equivalence point and b) the experimental pKb using a titration curve?

  • Answer:

    a) the pH of a weak base and strong acid titration will be slightly acidic because you will produce a salt that when it undergoes hydrolysis will produce an acidic solution you would find it by setting up your ice table and since the acid and base will be zero and your going to have a salt left over you then need to set up a hydrolysis equation and solve for the ion that hydrolyzes and from that you will find you hydronium concentration b) the pH at equivalence point will be equal to your pKa and from your pKa you can take 14 and subtract your pKa from it to find your pKb

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a) the pH of a weak base and strong acid titration will be slightly acidic because you will produce a salt that when it undergoes hydrolysis will produce an acidic solution you would find it by setting up your ice table and since the acid and base will be zero and your going to have a salt left over you then need to set up a hydrolysis equation and solve for the ion that hydrolyzes and from that you will find you hydronium concentration b) the pH at equivalence point will be equal to your pKa and from your pKa you can take 14 and subtract your pKa from it to find your pKb

Steven Lucas

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