1.

Read the paragraph carefully and answer the following questions: Mole fraction of acetic acid in benzene given a solution having freezing point 277.4K. Freezing point of benezene is 278.4K and heat of fusion of benzene is 10.042 kJ/mol. If molarity of solution is equal to molality, and acetic acid is found in equilibrium with it dimmer than answer the following based upon above data K_(1) for benzene is

Answer»

`3Kxx` MOLALITY
`2Kxx` molality
`5Kxx` molality
`10Kxx` MOLATILY

ANSWER :C


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