February 26, 2017

Homework Help: Chemistry

Posted by Eric on Sunday, February 19, 2012 at 1:22am.

A solution is made by dissolving 0.500 mol of HF in enough water to make 1.00 L of solution. At 21 C, the osmotic pressure of the solution is 1.35 atm. What is the percent ionization of this acid?

This is what i did.. is it correct?
(1.35 atm) = (2)(M)(0.08206)(294 K)
M = 0.0279
0.0279/0.500 = 0.0559 X 100 = 5.59%? is that correct...? it doesn't seem right please help!

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