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Abnormal molar mass





Abnormal Molar Mass

The experimental molar mass determine by colligalur property should match with normal molar mass if observed or experimental molar mass is different from the normal molar mass than the observed molar mass is called abnormal molar mass.
Abnormal molar mass is obtained when the solute particle undergo either association or dissociation in the soln.
NMM: Normal Molar Mass
AMM : Abnormal Moalr Mass
Dissociation
Association
NaCl ->Na+ + Cl--
AMM < NMM
AMM < (58.5)
2CH3 COOH ->(CH3 COOH)2 AMM > NMM
AMM > (60)

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