Zn+2HCl→ZnCl2+H2\text{Zn} + 2\text{HCl} \rightarrow \text{ZnCl}_2 + \text{H}_2Zn+2HCl→ZnCl2+H2. What mass of hydrogen comes from 13 g13\ \text{g}13 g of zinc? Use Zn=65\text{Zn} = 65Zn=65 and H2=2 g/mol\text{H}_2 = 2\ \text{g/mol}H2=2 g/mol.
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