A-LevelChemistryStates of matter9701/12 · May/June 2022 · Q81 Mark

When an evacuated glass bulb of volume 200 cm³ is filled with a gas at 300 K and 101 kPa, the mass of the bulb increases by 0.68 g. The gas obeys the ideal gas equation. What is the identity of the gas?

Aargon

Bkrypton

Cneon

Dnitrogen

✓ Correct answer

B: krypton

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Topic: States of matter, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, May/June 2022 Paper 1 Variant 2, question 8.

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