Assertion (A): Molality is independent of temperature.
Reason (R): There is no volume factor in the expression of molality.

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Assertion is True, Reason is True but Reason is not correct explanation of Assertion

Assertion is True, Reason is True and Reason is correct explanation of Assertion

Assertion is True, Reason is False

Assertion is False, Reason is True

answer is A.

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Detailed Solution

In molality expression formula, there is no volume term. Thus molality is independent of temperature. Due to this property molality has been considered more accurate measurement than molarity and normality.

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