What is the mole fraction of the solute in a 1.00 m aqueous solution ?

Options

A. `0.177`
B. `1.770`
C. `0.0354`
D. `0.0177`

Answer

D

Explanation

Molality = `(1000xxn)/(NxxM)therefore 1=(1000xxn)/(Nxx18)=(n)/(N)=(18)/(1000)`
`therefore(n)/(n+N)=(18)/(1018)=0.0177`.