Question

define molality and write example

Answer 1

It is an concentration unit which is the number of moles of solute divided by the number of litres of solution..
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Answer 2

Molality, also called molal concentration, is a measure of the concentration of a solute in a solution in terms of amount of substance in a specified amount of mass of the solvent.  in other words The molality (b), of a solution is defined as the amount of substance (in moles) of solute,divided by the mass (in kg) of the solvent,
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