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Date	May 2014	Marks available	1	Reference code	14M.1.sl.TZ1.22
Level	SL	Paper	1	Time zone	TZ1
Command term		Question number	22	Adapted from	N/A

Question

A solution of ${\text{50 c}}{{\text{m}}^{\text{3}}}$ hydrochloric acid has a pH of 4. What is the final pH if ${\text{450 c}}{{\text{m}}^{\text{3}}}$ of water is added?

A. 3

B. 4

C. 5

D. 6

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Syllabus sections

Core » Topic 8: Acids and bases » 8.3 The pH scale

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