Saturday
April 19, 2014

Homework Help: Chemistry/pH- Weak Acid

Posted by Mary on Monday, August 18, 2008 at 9:24am.

in response to Chemistry/pH- Weak Acid.
but the rule of 5%?
0,0100/(1.00x10^-4) =100%
The aproximation you do is not valid...or?
Ka= (1,0*10^(-4))^2/(x-1*10^(-4) )=1,00*10^(-6)....I got c=0,0101M
:-(

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Chemistry/pH- Weak Acid - Hi again! I have a new question, Can you help me? ...
Chemistry/pH- Weak Acid - Hi again! I have a new question, Can you help me? ...
Chemistry-Dr Bob help!! - 0.100 M solution of a weak acid, HX, is known to be ...
chemistry - a 5.55g sample of a weak acid with ka=1.3*10^-4 was combined with 5....
chemistry - a 5.55g sample of a weak acid with ka=1.3*10^-4 was combined with 5....
chemisty - 0.100 M solution of a weak acid, HX, is known to be 15% ionized. The ...
chemistry - 2- A 0.310 M solution of a weak acid, HX, has a pH of 2.53 a. Find ...
chemistry - A 0.010 M solution of a weak monoprotic acid has a pH of 3.70. What ...
chemistry - Lactic acid, HC3H5O3(aq) is a weak acid that gives yougurt its sour ...
Chemistry - The pH of a 0.100 M solution of an aqueous weak acid (HA) is 4.00. ...

Search
Members