Question

How many moles of O2 react with or are produced by 6.75 moles of the first reactant shown in each balanced equation?

a. 2C2H6 + 7O2 4CO2 + 6H2O

b. 2KClO3 2KCl + 3O2

c. 4Fe + 3O2 2Fe2O3

Answer 1

See the problem I work above. Just leave out the first step of converting to moles since the problem has done that for you.