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Q. The number of moles of solute per kg of solvent is called its

BVP MedicalBVP Medical 2011

Solution:

Molality of a solution is defined as the number of moles of solute per kilogram (1000 g) of solvent. $ \therefore $ $ Molality=\frac{moles\,of\,solate}{weight\,of\,solvent\,(in\,kg)} $