A) Molarity
B) Normality
C) Molality
D) Formality
Correct Answer: C
Solution :
Molality does not change with temperature because mass of the solvent does not change with change in temperature. Molality \[=\frac{Number\text{ }of\text{ }moles\text{ }of\text{ }solute}{Mass\text{ }of\text{ }solvent\text{ }\left( in\text{ }kg \right)}\]
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