Determination of the molar mass of gases

VC1.1.1.2
Determination of the molar mass of gases
Determination of the molar mass of gases

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Description

At constant pressure and constant temperature, any gas occupies the same volume regardless of the type of atom or the composition. So if we know the volume, pressure and temperature, we can then determine the molar mass of gases. The measurement is conducted in experiment C1.1.1.2 with a glass sphere for weighing gases.

Components of equipment sets

1 37907  4  Sphere with 2 stopcocks, glass, 1 l LD
1 OHSPU123  4  Electronic precision balance SPU123 LD
1 667072  4  Support ring for round flask, 250 ml, cork LD
1 37558  4  Hand vacuum pump LD
1 665913  4  Gas syringe, 100 ml with 1-way stopcock LD
1 667197  4  Silicone tubing, 4 mm diam., 1 m LD
1 604434  4  Silicone tubing, 8 mm diam., 1 m LD
2 604510  4  Tubing connector, 4...15 mm LD
1 667186  4  Vacuum rubber tubing, 8 mm diam. LD
1 604491  8  Vacuum tubes, 6 mm diam. LD
1 660998  4  Minican pressurised gas canister, oxygen LD
1 661000  4  Minican pressurised gas canister, nitrogen LD
2 660980  4  Fine regulating valve for minican gas canisters LD
1 661082  4  Stopcock grease, 60 g LD

Experiment Instructions

PDF (Experiment description) PDF (Experiment description) C1.1.1.2 Determination of the molar mass of gases
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