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Define the following term : Molality

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Molality : Molality of a solution is defined as the number of moles of the solute dissolved in 1000g (1 kg) of the solvent.It is denoted as 'm'
Molality (m) =$\large\frac{\text{Moles of solute}}{\text{Mass of solvent in kg}}$
For eg : 1.00 mol $kg^{-1}$ (or 1.00m) solution of KCl means that 1 mol of KCl dissolved in 1kg of water.
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