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Date	November 2012	Marks available	1	Reference code	12N.1.sl.TZ0.3
Level	SL	Paper	1	Time zone	TZ0
Command term		Question number	3	Adapted from	N/A

Question

The equation for the reduction of iron(III) oxide is:

${\text{F}}{{\text{e}}_2}{{\text{O}}_3}{\text{(s)}} + {\text{3CO(g)}} \to {\text{2Fe(s)}} + {\text{3C}}{{\text{O}}_2}{\text{(g)}}$

What mass of carbon dioxide, in g, is produced by the complete reduction of 80 g of iron(III) oxide?

A. 44

B. 66

C. 88

D. 132

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Syllabus sections

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

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