Question

Mg + 02=Mgo balance theeq​

Answer 1

Answer:

2Mg + O2 = 2MgO

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Answer 2

Answer:

2Mg + O2 = 2MgO

Explanation:

In LHS there is only one magnesium and two oxygen, but in RHS there is one magnesium and one oxygen to balance the oxygen we put 2 in front of Mg in LHS and also in front of magnesium oxide in RHS. Now the equation is balanced.