Zn + 2HCI ZnCl2 + H2 How many moles of hydrogen are produced from the reaction of 3.0 moles
of zinc?

3 moles H₂

Explanation:

The reaction equation Zn + 2HCl => ZnCl₂ + H₂ shows a 1:1 mole ratio between Zn and molecular hydrogen (H₁). Therefore, the moles of Zn consumed in the reaction is then equal to the moles of H₂ produced. In this case using 3 moles Zn => 3 moles H₂ will be produced.

b is the correct answer

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the answer would be a