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Q.
The mole fraction of solute in 1 molal aqueous/solution is
Some Basic Concepts of Chemistry
Solution:
Mole fraction $=\frac{1}{1+55.5}=0.0177$
$1$ molal solution contains 1 mole of solute in $55.5$ moles of water $(1000 \,g $ of water contains $55.5$ moles of it)