Question

6 gm of urea. dissolvd in 90 gm of. h2o mole fraction of solute is

Answer 1

Moles of urea = 6/60 = 0.1 mol
Moles of water = 90/18 = 5 mol

Mole fraction of solute = 0.1 / (0.1 + 5) = 0.1/5.1 = 0.0196

Mole fraction of solute is 0.0196