The mole fraction of the solute in one molal aqueous solution is:

Options

A. `0.027`
B. `0.036`
C. `0.018`
D. `0.009`

Answer

C

Explanation

`W=1000g H_(2)O , n=1` mole
`N=(W)/(M)=(1000)/(18)=55.55`
`x_("Solute")=(n)/(n+N)=(1)/(1+55.55)=0.018`