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Assertion : The molality of the solution does not change with change in tempe-rature.
Reason : The molality is expressed in units of moles per $1000 \mathrm{~g}$ of solvent.
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Reason : The molality is expressed in units of moles per $1000 \mathrm{~g}$ of solvent.
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The correct answer is:
If both assertion and reason are true and reason is the correct explanation of assertion
Molality does not depend upon volume thus it does not depend on temperature.
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