DP Chemistry (last assessment 2024)

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Question 22M.1.sl.TZ1.2

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Date May 2022 Marks available [Maximum mark: 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
2.
[Maximum mark: 1]
22M.1.sl.TZ1.2

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

[1]

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A

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