Statement 1 : For calculating the molality or the mole fraction of solute, if the molarity is known, it is necessary to know the density of the solution.
Statement 2 : Molality, molarity and the mole fraction of solute can be calculated from the weight percentage and the density of the solution.

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Statement 1 is false and Statement 2 is true.

Statement 1 and Statement 2 are false.

Statement 1 is true and Statement 2 is false

Both Statement 1 and Statement 2 are true

answer is A.

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Detailed Solution

Molality and mole fraction are mass dependent terms while molarity is volume dependent term.

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