CAT NO: DIDACTICELECTROMETER0080
Boiling Point Elevation in A Solution.
The boiling point of a solution is always higher than that of pure solvent.
A special apparatus enables to determine how the difference of temperature (boiling-point elevation) depends on the concentration of solute.
TRAINING PROGRAM
Raoult’s law
Henry’s law
Ebullioscopic constant
Chemical potential
Gibbs-Helmholtz equation
Concentration ratio
Degree of dissociation
OBJECTIVES
Measuring boiling-point elevation in water versus the concentration of salt, urea and of hydroquinone
Determining the relationship existing between boiling-point elevation and number of particles
Determining the molar mass of solute from the ratio between boiling-point elevation and concentration
COMPONENTS
Apparatus for studying boiling-point elevation
Heating shell for fl asks
Power controller
Glassware for tests
Thermometer
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