JEE Main Chemistry question

Which of the following concentration term(s) is/are independent of temperature? [Kerala CEE 2006]

(A)Molarity
(B)Molarity and mole fraction
(C)Mole fraction and molalityCorrect
(D)Molality and normality

Answer: (C)

Solution

Mole fraction and molality are both defined using masses (moles of solute and solvent, or mass of solvent), which do not change with temperature, so both

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Question ID VK-142980