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אין תוצאות חיפוש עבור: results/No_atoms_are_lost_or_made_during_a_chemical_reaction_so_the_mass_of_the_products_equals_the_mass_of_the_reactants_and_we_can_write_balanced_equations_showing_the_atoms_involved.,3,0,7033;7337;7348,0,30,1,tn,1.html