Question

Mole fraction of the solute in a 1.00 molal aqueous
solution is :-
(1) 0.1770
(2) 0.0177
(3) 0.0344
(4) 1.7700

Answer 1

Answer:

1.00 molal solution means 1 mole of solute in 1 kg (or 1000 g) of water.

Number of moles of solute =1

Number of moles of solvent =181000=55.55

Mole fraction of Solute =1+55.551=0.01768 

Hence, the correct option is C