Saturday
November 29, 2014

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.

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

chemistry - 2- A 0.310 M solution of a weak acid, HX, has a pH of 2.53 a. Find ...
Chemistry - The pH of a weak monoprotic acid, HA, is 4.55. It took 39.22 ml of 0...
Chem - Estimate the equilibrium constant for the weak base (CH3)2NH, if a 1.59×...
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 ...
Hayden - Chloroacetic acid has a relatively large equilibrium constant, so at ...
PH Calculation - Consider a 0.42 M solution of NaCH3COO CH3COO–(aq) + H2O(l) -&...
chemistry - Calculate the equilibrium constant for the weak acid, CH3CH2CO2H, if...
chemistry - Lactic acid, HC3H5O3(aq) is a weak acid that gives yougurt its sour ...
CHEMISTRY HELP!! - Formic acid (HCHO2) is a component of bee stings. It is a ...

Search
Members