Molality is defined as the .
A) moles solute/kg solution
B) moles solute/Liters solution
C) moles solute/moles solvent
D) moles solute/kg solvent
E) none (dimensionless)

Question

Quizplus · Accepted Answer

Molality is defined as the number of moles of solute dissolved per kilogram of solvent, therefore the correct choice is D, moles solute/kg solvent. Choices A and B refer to molarity, while choice C refers to mole fraction. Choice E is incorrect as molality has units of moles/kg.

Molality Is Defined as the