Question

Iron in the form of fine wire burns in oxygen to form t
Iron (III) oxide

4Fe(s) + 302(g) = 2 Fe₂O₃(s)

How many moles of O2 are neededto produce 5 moles of Fe₂O3​

Answer 1

Answer:

7.5 moles.

Explanation:

Solve by unitary method.

3----->2 then for

x------>5

15/2=x

thus...x=7.5...