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20 July, 03:36

Write a balanced chemical equation describing the reaction of zinc and hydrochloric acid.

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  1. 20 July, 03:38
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    The chemical formula for zinc is Zn, and HCl for hydrogen chloride. The complete balanced equation for these reactants would be:

    Zn + 2 HCl → ZnCl₂ + H₂

    The stoichiometric coefficient 2 for HCl is essential to obey the Law of Conservation of Mass. The elements before and after the reaction must be equal in amounts.
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