Question

which of these two varies with temperature: molarity and molality

Answer 1

Answer:

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Explanation:

Due to change in temperature, intermolecular space fluctuates and thus change in volume of solution occurs. Since molarity is defined as no. of moles of solute per unit volume of solution,it gets varied. On the other side,molality depends upon mass of solvent.

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Answer 2

Molality is defined as the number of moles of solute present in 1Kg of solvent. Since Volume of a solution depends on temperature hence Molarity changes with change in temperature. Due to change in temperature, intermolecular space fluctuates and thus change in volume of solution occurs.

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