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Determining relative molecular masses by weighing gases

Description

In this experiment known volumes of different gases are weighed in a gas syringe and their relative molecular masses are determined using the ideal gas equation.

Type of Activity

:
demonstration, class practical

Audience

:
Teacher

Age Group

:
11 to 18 years

Credits

:
This is an experiment from the Practical Chemistry project, developed by the Nuffield Foundation and the Royal Society of Chemistry.
determining-relative-mole...

This short video shows how known volumes of different gases can be weighed in a gas syringe and their relative molecular masses determined using the ideal gas equation.

ADDITIONAL INFORMATION

This is a resource from the Practical Chemistry project, developed by the Nuffield Foundation and the Royal Society of Chemistry. This collection of over 200 practical activities demonstrates a wide range of chemical concepts and processes. Each activity contains comprehensive information for teachers and technicians, including full technical notes and step-by-step procedures. Practical Chemistry activities accompany Practical Physics and Practical Biology.