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Date	November 2011	Marks available	1	Reference code	11N.1.sl.TZ0.4
Level	SL	Paper	1	Time zone	TZ0
Command term	Solve	Question number	4	Adapted from	N/A

Question

What is the amount, in moles, of sulfate ions in ${\text{100 c}}{{\text{m}}^{\text{3}}}$ of ${\text{0.020 mol}}\,{\text{d}}{{\text{m}}^{ - 3}}{\text{ FeS}}{{\text{O}}_{\text{4}}}{\text{(aq)}}$ ?

A. $2.0 \times {10^{ - 3}}$

B. $2.0 \times {10^{ - 2}}$

C. $2.0 \times {10^{ - 1}}$

D. 2.0

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Core » Topic 1: Stoichiometric relationships » 1.3 Reacting masses and volumes

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