Homework Help: ap chem

Posted by Jaron on Thursday, March 22, 2007 at 4:49pm.

A 9.00 M solution of a weak acid, HA, has a pH of 1.30

1.) calculate [A-] at equilibrium

2.) calculate [HA] at equilibrium

Use pH to get (H^+).
Ka = (H^+)(A^-)/(HA)
(A^-) = (H^+).
(HA) = 9
Plug and chug.
Post your work if you get stuck.

No one has answered this question yet.

Answer this Question

Related Questions

Chemistry/pH- Weak Acid - Hi again! I have a new question, Can you help me? ...
chemistry - A. Strong Base 1.) What is the concentration of a solution of KOH ...
ap chem - The pH of a 0.100 M solution of a weak acid HA is 4.94 . Calculate Ka ...
Chemistry/pH- Weak Acid - Hi again! I have a new question, Can you help me? ...
Chemistry - The pH of a weak monoprotic acid, HA, is 4.55. It took 39.22 ml of 0...
college-chemistry - calculate the ph of a buffer solution prepared by adding 0....
Chemistry Very Urgent!! - A 0.035 M solution of a weak acid (HA) has a pH of 4....
chemistry - 1)A solution has a [OH-] of 5.2 x 10-4. What is the [H3O+] in the ...
chemistry - Weak Acid 1.) The pH of a 0.060M weak monoprotic acid HA is 3.44. ...
chemistry - Weak Acid 1.) The pH of a 0.060M weak monoprotic acid HA is 3.44. ...

For Further Reading

First Name:
School Subject:
Answer: