Reaction Types & Stoichiometry w/Moles

What is the ion formed from Sulfur?

Which types of elements from cations?

What is a positive ion called?

What is the largest number of moles of Al₂O₃ that

could result from reacting 6 moles of O2?

4 Al (s) + 3 O₂ (g) → 2 Al₂O₃ (s)

How many moles of O₂ would be required to create

12 moles of Al₂O₃ ?

How many moles of O₂ would be required to

completely react with 8 moles of Al?

4 Al (s) + 3 O₂ (g) → 2 Al₂O₃ (s)

When iron rusts in air, iron (III) oxide (Fe₂O₃) is

produced. How many moles of oxygen react with 2.4 moles of Fe in this reaction?

4 Fe (s) + 3 O₂ (g) → 2 Fe₂O₃ (s)

How many moles of aluminium are needed to react

completely with 1.2 moles FeO?

2 Al (s) + 3 FeO (s) → 3 Fe (s) + Al₂O₃ (s)

How many moles of calcium metal are produced from

the decomposition of 8 moles of calcium chloride?