castrofatima2002 castrofatima2002 03-08-2021 Chemistry contestada How many grams of Al were reacted with excess HCl if 3.86 L of hydrogen gas were collected at STP in the following reaction? 2 Al (s) + 6 HCl (aq) → 2 AlCl₃ (aq) + 3 H₂ (g)