Question

Calculate degree of dissociation of 0.02 m acetic acid at 298 kelvin

Answer 1

CH3COOH ==> CH3COO- + H+

i = 1 + alpha( degree of dissociation) 


Now find alpha by osmotic pressure.
O.P = CRT = 0.02 × 0.0821 × 298 = 0.489

therefore alpha=1-0.489 =0.511


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