DP Chemistry (last assessment 2024)

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Question 18M.1.hl.TZ1.25

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Date May 2018 Marks available [Maximum mark: 1] Reference code 18M.1.hl.TZ1.25
Level hl Paper 1 Time zone TZ1
Command term Solve Question number 25 Adapted from N/A
25.
[Maximum mark: 1]
18M.1.hl.TZ1.25

What is the pH of a solution in which the hydroxide ion concentration is 1 × 10−11 mol dm−3 at 298 K?

Kw = 1 × 10−14 at 298 K

A.     3

B.     7

C.     11

D.     14

[1]

Markscheme

A

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