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Principle
The molar mass of a liquid is to be determined by evaporating a liquid at constant temperature and pressure, and measuring the volume of vapour formed using a calibrated gas syringe.
Benefits
- For both demonstration and student experiments
- Simple procedure - fast results
- Glass jacket system easily expandable
Tasks
- Determine the molar masses of diethyl ether and methanol.
- Discuss the results in terms of the real and ideal behaviour of vapours.
Learning objectives
- Ideal and ordinary gases
- Equations of state for ideal gases
- Gas volumetry
- Determination of molar masses according to the vapour density method (Victor Meyer)
Necessary accessories:
This experiments requires a precision balance
Precision Balance, Sartorius ENTRIS® II, 620 g : 1 mg (49311-99)
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Necessary accessories
You cannot use the item without these accessories!
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Digital learning
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