2al + 6hbr = 2albr3 + 3h2
When 3.22 mole of al reacts with 4.96 mole of hbr, how many moles of h2 are formed
What is the limiting reactant?
For the reactant in excess how many moles are left over at the end of the reaction?

Question

2al + 6hbr = 2albr3 + 3h2
When 3.22 mole of al reacts with 4.96 mole of hbr, how many moles of h2 are formed
What is the limiting reactant?
For the reactant in excess how many moles are left over at the end of the reaction?

anonymous · Answer

I got it. But how about the excess. How to solve it?

anonymous · Answer

When 26.62 grams of fes2 reacts with 5.44 of o2 how many moles of so2 are formed? 
It that question, should I convert it first the grams into mole to get the mole of so2?