1.
Zinc and hydrochloric acid react according to: Zn(s)+2HCl(aq)ZnCl2(aq)+H2(g)\text{Zn}(s) + 2\text{HCl}(aq) \rightarrow \text{ZnCl}_2(aq) + \text{H}_2(g). If 0.30 mole of Zn is added to 0.52 mole HCl, how many moles of H2\text{H}_2 is produced?