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Acids, bases and titration — Question 28

QCAA 2021, Paper 1 · 3 marks

Q28 · 2021 · Paper 1Unclassified3 marks

QUESTION 28 (3 marks)

Sketch the titration curve formed when 20 mL of 0.1 M butylamine (pKa = 10.0) is titrated with 0.1 M hydrochloric acid.

14

13

12

11

10

9

8

7 pH

6

5

4

3

2

1

0 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28

Volume (mL)

Note: If you make a mistake in the sketch cancel it by ruling a single diagonal line through your work

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