Chemistry Question

Question

From the balanced reaction below, when 2.22 x 10²⁴ atoms of oxygen is used up, how many grams of aluminium oxide will be produced?

4Al + 3O_2 --> 2Al₂O₃

Answer 1

248g

-Convert atoms to moles (Avagadros number)

-conversion factors to determine amount produced *if Al is in excess)

-convert from moles to grams using molar mass