help please! 911

[star61]

please answer asap. Thank

consider the following reaction:
2Al(s) + 3 H₂SO₄(aq) --> Al₂ (SO₄)₃(aq) + 3 H₂(g)

if 1.60 moles of aluminum are mixed with 2.00 moles of sulfuric acid:

a)determine which of the reactants is the limiting reagent?

b) how many grams of hydrogen will be produced in the reation?

c) how many moles of the excess reagent will be left at the end of the reaction?

d) if a laboratory produced 1.535 moles of H₂. What is the percent yeild of the reaction?