Fundamentholfundamenthol
JEE Main2019Chemistry
Q.

The mole fraction of a solvent in aqueous solution of a solute is 0.8. The molality (in mol kg–1) of the aqueous solution is :

  1. A

    13.88 × 10–2

  2. B

    13.88 × 10–3

  3. C

    13.88

  4. D

    13.88 × 10–1

Solution

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