MgxOy
mMg= 24u
mO= 16u
[tex] \frac{24x}{16y} = \frac{3}{2} [/tex]
[tex]24x \times 2 = 16y \times 3 [/tex]
[tex]x = y[/tex]
[tex] \frac{x}{y} = \frac{1}{1} [/tex]
MgO
