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Date May 2022 Marks available 1 Reference code 22M.1.sl.TZ1.2
Level SL Paper 1 Time zone TZ1
Command term Solve Question number 2 Adapted from N/A

Question

Which sample contains the fewest moles of HCl?

NA = 6.02 × 1023 mol–1.

Molar volume of an ideal gas at STP = 22.7 dm3 mol–1.


A.  10.0 cm3 of 0.1 mol dm–3 HCl (aq)

B.  6.02 × 1024 molecules of HCl (g)

C.  0.365 g of HCl (g)

D.  2.27 dm3 of HCl (g) at STP

Markscheme

A

Examiners report

[N/A]

Syllabus sections

Core » Topic 1: Stoichiometric relationships » 1.3 Reacting masses and volumes
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Core » Topic 1: Stoichiometric relationships
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