Question

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

• A. 0.027
• B. 0.36
• C. 0.018
• D. 0.009

Answer 1

The correct option is C 0.018

No. of moles of solute = 1
Wt. of solvent $\left(H_{2}O\right)$ = 1000 g
$x_{solute}=\frac{n}{n+M}=\frac{1}{1+55.55}=0.018$