calculate the lowest whole number ratio of

Moles of Mg/moles of O

average of Moles of Mg/Moles of O

Trial 1
mass of empty crucible and lid= 36.560
mass of Mg=0.348
mass of crucible, lid, and product=38.229

Trail 2
mass of empty crucible and lid=32.221
mass of Mg=0.340
mass of crucible, lid, and product=33.757