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Chemistry, 24.11.2020 20:50 emma042902

Help please Balance the following reaction and determine the coefficients for the reactants and product/s.
___ Mg + ___ O2 → ___ MgO

1.) 1,1,2
2.) 2,2,1
3.) 2,1,2
4.) 1,1,1
Please explain how you did this so I can do the others.

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