Homework Help: Organic chemistry

Posted by ZC on Tuesday, September 28, 2010 at 10:57pm.

the pka of benzoic acid is 4.2. show mathematically that this acid is 50% ionized. Use results of part a t oexplain why precipitation is incomplete if the pH of an aquesous solution of benzoate ion is lowered only to ph 7 by adding acid.

Thank you

No one has answered this question yet.

Answer this Question

Related Questions

organic chemistry - breifly describe how you would separate a mixture of sand ...
chemistry - Benzoic acid and quinine are dissolved in a solution of ...
Chemistry - what are the other chemistry forms present in the dichloromethane ...
Organic Chemistry - An impure sample contains 0.95g of benzoic acid and 0.05 of ...
Organic Chemistry - An impure sample contains 0.95g of benzoic acid and 0.05 of ...
organic chemistry - I need to design a method to separate a mixture of benzoic ...
CHEMISTRY - 7. At pH 7.4 a weak organic acid with a pKa of 6.4 would be 60% ...
chemistry - 7. At pH 7.4 a weak organic acid with a pKa of 6.4 would be what ...
chemistry - 7. At pH 7.4 a weak organic acid with a pKa of 6.4 would be ionized ...
chemistry - 7. At pH 7.4 a weak organic acid with a pKa of 6.4 would be ionized ...

For Further Reading

First Name:
School Subject:
Answer: