please answer all 3 questions :)

2/22Al(s)+3CuSO4(aq)Al2(SO4)3(aq)+3Cu(s) 1. How many moles of aluminum sulfate will be produced from 23.4 moles of copper (iI) sulfate? 5. If a 16.4gram piece of solid aluminum was reacted with 15.9 graths of 60 pper (II) sulfate in solution. how many grams of copper would form? (Hint: make sure to find the limiting renctant. Show your work!) 6. Which of the reactants in question 5 was the limiting reactant and which was the excess? How do you know