Acetic acid dimerises in vapour phase at 437K as 2CH3COOH(g)⇌(CH3COOH)2(g). A mass of 0.0519g of acetic acid was found to have 764.3mm pressure at 437K in a container of 21.45cm3. Calculate degree of dimerisation for acetic acid dimerisation.
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Solution
61%, and equilibrium constant (Kc) and (Kp)2.3×103litremol−1,64.1atm−1