how many grams of Al are in 21.7g of Al2O3?

Question

can u just tell me how to do it u dont need to give me the answer or anything...

Answer 1

Favorite Answer

21.7gAl2o3(1/total formula mass)(2 mol/1mol)(mass of Al/1 mole)

answer should be around 10 w/o sig figs

Answer 2

mass of Al divided by over all mass ( 21.7)

Source(s): apchem