Friday
April 25, 2014

Homework Help: Chemistry

Posted by Patrick on Thursday, March 10, 2011 at 8:18am.

A student titrates 0.025 M KOH into 50.00 ml of a solution of unknown weak acid HA. Equivalence point is reached when 30.00 ml of the KOH has been added. After 15.00ml of the KOH has been added the pH of the mixture is 3.92.

A. What is the concentration of HA ?

B. What is Ka for HA ?

C. What is the pH of the HA before any KOH is added?

D. What is the pH at equivalence point?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Chemistry - A student titrates 0.025 M KOH into 50.00 ml of a solution of ...
Chemistry - A student titrates 0.100M KOH into 50.00 ml of weak acid HX. The pH ...
Chemistry Lab - A 15.00 mL sample of a weak acid with Ka = 3.52x10-4, was ...
Chemistry - A student titrates HCl with 0.0125M KOH. Starting with 50.00 ml of ...
Chemistry - A student titrates HCl with 0.0125M KOH. Starting with 50.00 ml of ...
Chemistry - A student titrates HCl with 0.0125M KOH. Starting with 50.00 ml of ...
college chemistry - Consider the titration of a 50.0 mL sample of a 0.100 M ...
Chemistry - Suppose 50.0 mL of an aqueous solution containing an unknown ...
College Chemistry - A 30.00 mL volume of a weak acid, HA, (Ka = 3.8 x 10^-6) is ...
chemistry - 0.5 L of a 0.30 M HCl solution is titrated with a solution of 0.6 M ...

Search
Members