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Date	May 2014	Marks available	1	Reference code	14M.1.hl.TZ1.26
Level	HL	Paper	1	Time zone	TZ1
Command term		Question number	26	Adapted from	N/A

Question

The ${\text{p}}{K_{\text{b}}}$ of ${\text{H}}{{\text{S}}^ - }$ is 7.08. What is its conjugate acid and what is the ${K_{\text{a}}}$ value of the acid?

M14/4/CHEMI/HPM/ENG/TZ1/26

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Additional higher level (AHL) » Topic 18: Acids and bases » 18.2 Calculations involving acids and bases

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