Question

Mole fraction of the solute in a 1.00 molal aqueous solution is .......?

Answer 1

1 kg solvent----1 mole solute
1000g solvent--1 mole solute
Since the solution is aqueous:
1000/18 moles of water---1 mole solute
55.55 moles of water combine with--1 moles solute
total moles=55.55+1=56.55
moles of solute=1
mole fraction of solute=1/56.55=0.018(approx.)

Answer 2

thank you..