Aqueous ethanol is labelled as 2 molal. Find the mole fraction of alcohol.

Explanation

1000g of water ha 2 mole of ethanol
55.5 moles of water has 2 mole of ethanol or `X=(m)/(m+55.5)`
Mole fraction alcohol `=(2)/(2+55.5)=(2)/(57.5)=0.0348`