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CBSE Class 11-science Answered

The ionization constant of propionic acid is 1.32 x 10-5. Calculate the degree of ionization of acid in its 0.05 M solution.
Asked by Topperlearning User | 28 Apr, 2015, 10:26: AM
answered-by-expert Expert Answer
Use Oswald’s Dilution Law expression 
                               α = √ ka/C  
Substitute the respective values; we get
                                            α = √ 1.32x 10-5/0.05
                                                = 16.24 X10-2

                                                = 0.16  

                                                =16%

Answered by | 28 Apr, 2015, 12:26: PM
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