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An aqueous solution of a weak monobasic ...

An aqueous solution of a weak monobasic acid containing `0.1g`in `21.7`g of water freezes at`272.813K`.If the value of `K_(f)`for water is `1.86K//m`,what is the molecular mass of the monobasic acid

A

`50.0 g//mol`

B

`46.2 g//mol`

C

`55.5g//mol`

D

`25.4 g//mol`

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The correct Answer is:
D
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