MP Board · Class 12 · Chemistry · SolutionsUnits of molality are:
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Step-by-Step Solution
Molality ($m$) is defined as the number of moles of solute dissolved in $1\text{ kg}$ ($1000\text{ g}$) of solvent. Therefore, its standard unit is moles per kilogram ($\text{mol kg}^{-1}$).
Detailed Options Breakdown
Option : mol L^-1
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Solutions.
Option 1: mol kg^-1 (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: mol L^-2
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Solutions.
Option 3: g L^-1
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Solutions.
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