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Mg(OH)2 + FeCl2 ¨Fe(OH)2 +MgCl2 how can balance this equation don't understand

  • CHEM -

    Mg(OH)2 + FeCl2 ==> Fe(OH)2 +MgCl2

    This is a trial and error but it can be done easily this way.
    Look at the Mg. Mg is OK. Fe is OK. Cl is ok. H and O are ok.
    What do you know? It's balanced as is.

  • CHEM -

    the equation is already balanced

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