Lab 2: Molar Mass of a Solid

Question 1

Objectives

Answer 1

Observe and measure effect of solute on the freezing point of a solvent
Determine molar mass (molecular weight) of nonvolatile, nonelectrolyte solute

Question 2

Pure liquid examples

Answer 2

Water or ethanol

Question 3

Physical properties of pure liquid

Answer 3

Melting point, boiling point, density, vapor pressure, viscosity, surface tension, etc

Question 4

Solution

Answer 4

Addition of soluble solute to liquid that forms homogeneous mixture

Question 5

Solvent assumes physical properties no longer definite but

Answer 5

Dependent on amount of solute added