Hydrogen gas can be produced by reacting aluminum with sulfuric acid. how many moles of sulfuric acid are needed to completely react with 15.0 mol of aluminum? 2al (s) + 3h2so4 (aq) ® al2 (so4) 3 (aq) + 3h2 (g)

The balanced equation for the reaction is as follows

2Al + 3H₂SO₄ - - > Al₂ (SO₄) ₃ + 3H₂

stoichiometry of Al to H₂SO₄ is 2:3

number of Al moles reacted - 15.0 mol

if 2 mol of Al react with 3 mol of H₂SO₄

then 15.0 mol of Al reacts with - 3/2 x 15.0 mol = 22.5 mol

22.5 mol of H₂SO₄ is required