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Mathematics 9 Online
OpenStudy (anonymous):

(again) not a math question, but a science question... In a chemical equation what must you add to balance the equation so that both sides are equal?

OpenStudy (dumbcow):

just make sure you have the same number of an element on either side if you have 2 hydrogen on left side, make sure you have 2 hydrogen on right side oh add coefficient H2 = 2H

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