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Chapter 4: 4.11 CYL (page 196)

What mass of CO is required to react with 25.13g of Fe2O3 according to the equation

\(F{e_2}{O_3} + CO \to 2Fe + 3C{O_2}\)

Short Answer

Expert verified

13.22g of CO is required to react with 25.13 g of Fe2O3.

Step by step solution

01

Calculating the number of moles of CO

From the given balanced reaction, we can say that 1 mol of Fe2O3 produces 3 mol of CO.

n=Moles of Fe2O3

= mass present/Molecular weight

=25.13g/159.69g

=0.1574 mol

Then the number of moles of CO

= 3 times the moles of Fe2O3

= 3 x 0.1574mol

=0.4721 mol

02

Calculating the mass of CO

For calculating the mass, we use the formula of moles n = m/M. So,

m=M.n

=28.01 g x 0.4721 mol

= 13.22 g of CO

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