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CAIE IGCSE Chemistry 3.3.4 Molar Gas Volume Taken As 24 Dm3 At Questions

Use the molar gas volume at room temperature and pressure to convert between gas volume and moles.

Syllabus
2026–2028
Course
Chemistry 0620

Exam points

  • calculate gas volume from moles at room temperature and pressure
  • convert gas volume between cm³ and dm³
  • calculate moles from gas volume at r.t.p.
  • determine gas volume or molecule count from a reaction
  • compare equal gas volumes at the same conditions

CAIE IGCSE Chemistry 3.3.4 Molar Gas Volume Taken As 24 Dm3 At Questions question 1

[Maximum number: 1]

What is the volume of 14.5 g of gaseous butane, C4H10\mathrm{C}_{4} \mathrm{H}_{10}, at room temperature and pressure?

A

96.0 cm396.0 \mathrm{~cm}^{3}

B

6.0 cm36.0 \mathrm{~cm}^{3}

C

96.0dm396.0 \mathrm{dm}^{3}

D

6.0dm36.0 \mathrm{dm}^{3}

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