DP Chemistry (last assessment 2024)

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Question 21M.1.hl.TZ1.27

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Date May 2021 Marks available [Maximum mark: 1] Reference code 21M.1.hl.TZ1.27
Level hl Paper 1 Time zone TZ1
Command term Identify Question number 27 Adapted from N/A
27.
[Maximum mark: 1]
21M.1.hl.TZ1.27

Which combination will produce an alkaline buffer in water?

A.  0.10 mol NH3 and 0.05 mol H2SO4

B.  0.50 mol NH3 and 0.10 mol H2SO4

C.  0.10 mol CH3COOH and 0.05 mol NaOH

D.  0.10 mol CH3COOH and 0.50 mol NaOH

[1]

Markscheme

B

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