9.0 g of iron is reacted with 9.0 g of water according to the chemical equation shown below.Which one of the following statements is false? 3 Fe(s)+ 4 H₂O(l)→ Fe₃O₄(s)+ 4 H₂(g)

Question

Quizplus · Accepted Answer

To find the limiting reactant, we need to calculate the moles of each reactant.

Moles of Fe = 9.0 g / 56.85 g/mol = 0.1586 mol

Moles of H2O = 9.0 g / 18.015 g/mol = 0.4999 mol

The balanced equation shows that 3 moles of Fe react with 4 moles of H2O.

Since we have less than 3 moles of Fe and more than 4 moles of H2O, water is the excess reactant, and therefore the limiting reactant is Fe.

Now we can use stoichiometry to find the amount of FeS produced:

0.1586 mol Fe x (1 mol FeS/3 mol Fe) x (87.91 g FeS/mol) = 4.50 g FeS

Therefore, option D is false, as water is not the limiting reactant.

90 G of Iron Is Reacted with 9