A) Normality does not change with temperature.
B) Molarity does not change with temperature.
C) Molality does not change with temperature
D) None of these
Correct Answer: C
Solution :
In molality the mass of the solvent is considered while in molarity and normality the volume of the solution is considered. Molarity and normality change with temperature because of expansion or contraction of the liquid with temperature. However, molality does not change with temperature because mass of solvent does not change with temperature.
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