Help!!! My professor didn\'t cover degree of ioniziation thoroughly and I got an

Question

Help!!! My professor didn't cover degree of ioniziation thoroughly and I got an exam!! Please post the correct solution for a and b. I don't understand this concept at all!

I really tried for this one but what would be the correct answer and approach? Thanks.

Fart A Exercise 16.39 What is the degree of ionization of propionic acid in a solution that is 0.40 M CH3 CH2 CO2H? Express your answer using two significant figures. CHCHCo;Express your eur ansr using twogcans pKa = 4.89 | = 2.66-10-11 Submit My Answers Give Up Incorrect; Try Again; 2 attempts remaining Part B What is percent ionization of propionic acid in a solution that is 0.40 M CH3 CH2 CO2H? Express your answer using two significant figures. % ionization- Submit My Answers Give Up

Explanation / Answer

To calculate degree of ionization we set up ICE chart

Lets show dissociation of propionic acid

          CH3CH2CO2H (aq) + H2O (l) --- > H3O+ (aq) + CH3CH2CO2

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