Answered

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Balance the following equation.
_Mg + ___O2 -->___Mgo
O 2,2,2
O 2,1,2
O 1,1,2
O The equation is already balanced.

Sagot :

janhavi11

Answer:

• 2,1,2

Explanation:

aMg +b O2 --> cMgO

Rule of balancing :- Number of atom of an element should be equal on both side of equation.

Balancing O :- 2b = c

( now by hit and trial method )

for b = 1 => c = 2

and Balancing Mg :-

c= 2 and c = a

=> a = 2

2Mg + O2 ---> 2MgO

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