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Q.
What is the mole fraction of the solute in a $2.00\, m$ aqueous solution?
Solutions
Solution:
$2$ molal aqueous solution means $2$ mole of solute is present in $1000\, g$ of water.
$\therefore x_{\text{solute}} = \frac{2}{2+ \frac{1000}{18}}$
$= \frac{2}{57.5} = 0.0347$