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Sumit Sami
Asked: 2022-11-06T23:29:50+05:30 In:

An aqueous solution of a weak monobasic acid containing 0.1 g in 21.7g water freezes at 272.813 K. If the value of `K_(f)` for water is 1.86 K-kg/mol, what is the molecular mass of the monobasic acid
A. 50g/mole
B. 46g/mole
C. 55g/mole
D. 60g/mole

An aqueous solution of a weak monobasic acid containing 0.1 g in 21.7g water freezes at 272.813 K. If the value of `K_(f)` for water is 1.86 K-kg/mol, what is the molecular mass of the monobasic acid
A. 50g/mole
B. 46g/mole
C. 55g/mole
D. 60g/mole
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  1. Correct Answer – D
    `m=(K_(f)xx wxx1000)/(Delta T_(f)xx W)=60` g/mole.

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