Aluminum metal dissolved in hydrochloric acid as follows: 2Al(s) + 6HCl(aq) → 2AlCl3(aq) + 3H2(g) mL is the minimum volume of 6.0 M HCl(aq) needed to completely dissolve 3.20 g of aluminum (26.98 g/mol) in this reaction. grams of AlCl3 (133.33 g/mol) would be produced by complete reaction of 3.20 g of aluminum.