According to the reaction 2Al+3H2SO4→3H2+Al2(SO4)3, the total number of moles of H2SO4 needed to react completely with 5.0 mol of AL is

1. 2.5 mol
2. 5.0 mol
3. 7.5 mol
4. 9.0 mol

5 answers

The "coefficient factor" will convert any thing to anything.
5.0 mol Al x (3 mols H2SO4/2 mols Al) = 5.0 x 3/2 = ?
7.5
9.0
67.73 g
i dont now the anzer!
i too am hopeless when asked this question