What is thé properly balanced formula equation for the following word equation?

Magnesium metal + hydrochloric acid (HCl) —> magnesium chloride + hydrogen gas

A. Mg2 + 2HCL —> 2MgCl + H2

B. Mg + HCl —> MgCl + H

C. Mg + 2HCl —> MgCl2 + H2

Respuesta :

The balanced chemical equation is:  Mg + 2HCI _> MgCI2 + H2

The answer is A . Mg2+ 2hcl-> 2mgcl+h2