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9. Klasse (NTG) - gymnasium-bruckmuehl.de · Sulfit-Ion HSO3 - SO3 2-Kohlensäure H2CO3 Hydrogencarbonat-Ion Carbonat-Ion HCO3 - CO3 2-Dreiprotonige Säuren Phosphorsäure H3PO4 Dihydrogenphosphat-Ion
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