balance the chemical equation
__MgO + Cl --> __MgCl + __O
2 2 2
When you try to put subscripts on the line below, they don't line up properly here.
The balanced reaction is:
2 MgO + Cl2 --> 2 MgCl + O2
__MgO + Cl --> __MgCl + __O
2 2 2
The balanced reaction is:
2 MgO + Cl2 --> 2 MgCl + O2