Solid reacts with carbon monoxide as shown:

CHEMISTRY · Single correct · A Level · Chemistry · Amount of substance · Amount of substance

Problem

Solid

\text{Fe}_2\text{O}_3

reacts with carbon monoxide as shown:

\text{Fe}_2\text{O}_3(s)+3\,\text{CO}(g)\rightarrow 2\,\text{Fe}(s)+3\,\text{CO}_2(g)

. When

25.0\,\text{g}

\text{Fe}_2\text{O}_3

is heated with

30.0\,\text{g}

of CO,

12.0\,\text{g}

of Fe is isolated. What is the percent yield of Fe for this reaction? (a)

48.0\,\%

(b)

30.1\,\%

(c)

68.6\,\%

(d)

45.8\,\%