Homework Help: chemistry

Posted by Cynthia on Friday, May 28, 2010 at 8:45pm.

HF acid ionization constant (Ka) is 3.5 X 10-4. In a solution of HF acid @ equilibrium [H+] = 0.090 M. What is the concentration of F-?

chemistry - bobpursley, Friday, May 28, 2010 at 9:27pm
HF><H+ + F-

ka=x^2/.090
solve for x

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