1.1 What is Chemistry?

http://www.ck12.org Chapter 16. Solutions

FIGURE 16.12

FIGURE 16.13

Vapor-Pressure Lowering in Solution

of the pure solvent.

Mole Fraction

Themole fraction(χ) of a component in a mixture is equal to the number of particles of the specified component
divided by the total number of particles in the mixture. Alternatively, this ratio can be expressed in moles.

ØA=total molmol A

or