Concentration terms like mass percentage, ppm, mole fraction and molality do not depend on temperature. However, molarity is a function of temperature because

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molarity is used for polar solvents only.

volume depends on temperature and molarity involves volume

molarity involves non-volatile solute while all other terms involve volatile solute

number of moles of solute change with change in temperature

answer is A.

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Detailed Solution

$M = \frac{number of moles of solute}{volume of solution in litres}$

Volume depends on temperature, as temperature increases, volume also increases and molarity decreases.

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