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Vika [28.1K]
3 years ago
15

2Fe + 6HCl -> 2FeCl3 + 3H2 If 7.0 moles of HCl is added to enough iron that the HCl is completely used up, how many

Chemistry
1 answer:
DENIUS [597]3 years ago
3 0

Answer: 3.5 moles of hydrogen gas will be produced.

Explanation:

The balanced chemical equation is:

2Fe+6HCl\rightarrow 2FeCl_3+3H_2

As HCl gets completely used up, HCl is the limiting reagent.

According to stoichiometry :

6 moles of HCl produces =  3 moles of H_2

Thus 7.0 moles of  HCl produces=\frac{3}{6}\times 7.0=3.5moles  of H_2

 Thus 3.5 moles of hydrogen gas will be produced.

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