Practice: Calculate mole fraction of a 2.4 m aqueous solution of citric acid (C6H8O7).
Mole Fraction (X) relates the moles of solute and solvent within a solution.
Concept #1: Mole Fraction (X)
Example #1: A solution contains 85.2 g of ascorbic acid (C6H8O6), a water soluble vitamin, in 270.0 g of water. Calculate the mole fraction of ascorbic acid in this solution.
Practice: Calculate mole fraction of a 2.4 m aqueous solution of citric acid (C6H8O7).
Practice: If mole fraction of urea is 4.55 × 10–1, what is the mass of urea needed to prepare 38.0 g of solution in water?
