a, \(n_{CO_2}=\dfrac{2,479}{24,79}=0,1\left(mol\right)\)
b, \(n_{Fe}=\dfrac{5,6}{56}=0,1\left(mol\right)\)
c, \(n_{MgO}=\dfrac{4}{40}=0,1\left(mol\right)\)
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