February 24, 2017

Homework Help: Chemistry

Posted by Paul on Wednesday, March 9, 2011 at 2:08pm.

A student titrates 0.100M KOH into 50.00 ml of weak acid HX. The pH of the solution is 4.25 after 20.00 ml of the base has been added, and equivalence point is reached when 40.00 ml of the base is added.

1. What is the concentration of the acid, HX ?

2. What is the Ka value of acid HX?

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