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3.5 Use of amount of substance in relation to volumes of gases

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Question 9

A technician prepares four gas samples at room temperature and pressure. The data for the samples are shown in the table.

SampleGasMassRelative formula mass
WXenon, Xe\text{Xe}Xe13.1 g131
XSulfur hexafluoride, SF6\text{SF}_6SF6​29.2 g146
YNitrogen monoxide, NO\text{NO}NO9.0 g30
ZFluorine, F2\text{F}_2F2​15.2 g38

In which sample is the number of particles lowest?

[1]
A

Sample X: 29.2 g29.2\ \text{g}29.2 g of sulfur hexafluoride, SF6\text{SF}_6SF6​

B

Sample Z: 15.2 g15.2\ \text{g}15.2 g of fluorine, F2\text{F}_2F2​

C

Sample Y: 9.0 g9.0\ \text{g}9.0 g of nitrogen monoxide, NO\text{NO}NO

D

Sample W: 13.1 g13.1\ \text{g}13.1 g of xenon, Xe\text{Xe}Xe

Markscheme

3.5 Use of amount of substance in relation to volumes of gases Questions

  1. GCSE
  2. /Chemistry
  3. /3.5 Use of amount of substance in relation to volumes of gases

100 exam-style questions on AQA GCSE Chemistry 3.5 Use of amount of substance in relation to volumes of gases, covering 3.5.1 Volumes of gases. Each one has a worked solution and a mark scheme showing where the marks go.

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