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if there is the same number of atoms on both sides

e.g

Mg + HcI-------------> Mg + HcI^2 (HcI squared)

this is an unbalanced reaction because there is more chlorine on the right side than the left side.

so when you balance the equation it will look like this:

MG + HcI^2------------------>Mg +HcI^2

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13y ago

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