Answer:
Pb3O4
Step-by-step explanation:
Element lead oxygen
Perc. 90.65%. (100-90.65)=9.35%
mol ratio. 90.65/207. 9.35/16
mol. 0.437923 0.584375
sim. rat.
0.437923/0.439723 0.584375/0.437923
ratio. 1 1.3
multiply the ratios by 3 (1×3). (1.3×3)
3 : 3.9
therefore the formula is Pb3O4.
I multiplied through by 3 so I can get a whole value/ a value easy to estimate.
I hope this helps.