ataylo2002 ataylo2002 20-02-2024 Chemistry contestada What mass of magnesium (II) chloride must react with sulfuric acid to release 49.5 mL of hydrogen gas at STP? Based on this equation: MgCl₂(s) + H₂SO₄(aq) => MgSO₄(aq) + 2 HCl(g).