skamora5191 skamora5191

14-07-2021
Chemistry

contestada

Which equation is balanced?
2Al+3O2→Al2O3

2Na+F2→2NaF

Mg+O2→2MgO

2Al+F2→2AlF3

Respuesta :

AlexTrusk AlexTrusk

14-07-2021

the 1st one is balanced, the 2nd isn't (the number of Mg differs from left 1 to right 2).

The third is also not balanced, 2 F left,2*3=6 on the right

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