This is the data given:
Mass of crucible: 29.1234g
Mass of crucible + Magnesium: 29.9345g
Mass of crucible + Magnesium oxide: 30.7450g
Obtain the empirical formula from data above.
I keep getting Mg2O3 because it’s a 1:1.52 ratio but I know that the real answer is MgO. What am I doing wrong?